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The Nutrition Transformation: From Undernutrition to Obesity

  • Prabhu PingaliEmail author
  • Anaka Aiyar
  • Mathew Abraham
  • Andaleeb Rahman
Open Access
Chapter
Part of the Palgrave Studies in Agricultural Economics and Food Policy book series (AEFP)

Abstract

Over the last three decades, policy interventions have resulted in a decrease in undernourishment by at least ten percentage points. However, undernutrition and micronutrient deficiency remain a critical public health challenge, especially in less developed states, while the number of overweight individuals has increased drastically in more developed states over the same period. This increase in the triple burden of malnutrition is a matter of great concern due to its impacts on health and welfare. In this chapter, we present evidence that diversifying diets and increasing income is vital for reducing all types of malnutrition. Within households, improving education and information, behavior change, empowering women and improving access to water, sanitation and health infrastructure are essential to tackle undernutrition, hidden hunger and obesity.

5.1 Introduction

As structural transformation changes countries from subsistence agriculture economies to modernized economies, countries undergo a nutrition-related transition1 (Griffiths & Bentley, 2001). High rates of undernutrition2 come down and population health improves. However, even as undernutrition decreases, experiences of some countries in the recent past have shown that obesity rates may increase due to over-nutrition3 and this can decrease overall gains made to health during the nutrition transition. When food systems focus narrowly on ensuring food security but do not think more broadly about ensuring nutrition security, this problem of obesity and hence malnutrition can become synonymous with the problem of poverty and low incomes. Thus, poor nourishment and poor health may increase during structural transformation. In India too, economic growth, agricultural development and a keen policy focus on nutrition-related health improvements have brought with it a reduction in hunger and undernutrition rates across the country. Between the NFHS I (1992–93) and NFHS IV (2015–16) surveys, undernutrition rates for children under the ages of five have fallen. The incidence of stunting has decreased by 13 percentage points, and underweight rates have decreased by 24 percentage points. Between NFHS III (2005–06) and NFHS IV (2015–16), the percentage of adult women and men who are underweight has decreased by 13 pp and 15 pp (respectively). However, within the last decade, the over-nutrition prevalence rate has doubled within the country (see Fig. 5.1). Given its close association with the incidence of non-communicable diseases, this phenomenon has created new and serious challenges for the health of individuals. In the long term, increasing risks for malnutrition may have repercussions for economic development, agriculture and health.
Fig. 5.1

Percentage point changes in the triple burden of malnutrition in India. Source: NFHS 2005–06 and NFHS 2015–16; based on authors calculations

In the previous chapter, we have seen that the demand for food per capita, demand for diverse foods and demand for eating out has kept pace with rising per capita incomes. If food systems cannot respond appropriately to the growing demand for nutrients with an adequate supply response, this may reduce the effectiveness of current policy interventions in meeting their goals of lowering undernutrition and hidden hunger. Additionally, in Chaps.  2 and  3, we have seen that forces of ST have led to a divergence in the growth experience across regions and the agricultural and non-agricultural sectors. If food systems cannot address the problem of income inequality, this may impact a household’s ability to access and purchase diverse and quality nutrients from markets. These factors have important (negative) implications for the Indian experience.

In this chapter, we explore the food system’s role in reducing the triple burden of malnutrition4 and moving towards a healthier population. We bring forward evidence from the literature that illuminates the pathways through which malnutrition is impacted as well as discuss interventions from India that have been successful in reducing poor nutrition outcomes thus far. We also bring forward evidence from international contexts on other potential interventions available for reducing malnutrition and lay out different options that can help regulate the nutrition transition that we see unfolding in the country today.

5.2 Current State of the Triple Burden of Malnutrition in India

The triple burden of malnutrition is particularly an acute problem for India. For one, the latest NFHS estimates show that around 30% were too thin for their age and gender (underweight)5 and 38% of all children under the ages of five were too short for their age and gender (stunted). With regard to the former, India did far worse regarding prevalence both across ST and when compared to other countries (Fig. 5.2). However, with regard to stunting indicators, it can be seen that poor states in India have comparable outcomes to countries from the SSA regions, while more developed states are closer to world averages (Fig. 5.3). Poor nutrition outcomes are known to lower cognitive skills, lower educational outcomes, lower productivity and lower wages in adults who were malnourished as children compared to adults who were not (Alderman, Hoddinott, & Kinsey, 2006; Black et al., 2013; Chen & Zhou, 2007; Hoddinott, Maluccio, Behrman, Flores, & Martorell, 2008; Roseboom, de Rooij, & Painter, 2006; T. J. Roseboom et al., 2001; Victora et al., 2008; Akresh, Verwimp, & Bundervoet, 2013; Gørgens, Meng, & Vaithianathan, 2012; Lumey et al., 2007; Stein et al., 2008). In addition to greater mortality risks for children, studies have also shown that adults who were undernourished in childhood have greater incidence of non-communicable diseases than those who were properly fed (Chen & Zhou, 2007; Gørgens, 2002; T. Roseboom et al., 2006). While one can still argue that there has been progress towards reducing stunting, underweight between the 2005 and 2015 National Family Health Surveys (NFHS) across all levels of state-wise development, the incidence of wasting has increased during this time (Fig. 5.4). Wasting occurs when children are too thin for their respective heights, ages and gender. This indicator has been correlated with lower access to food in the short term as well as increased mortality risks for children under the ages of five. An increase in this indicator reflects the speed of, or lack thereof, progress in comprehensively reducing food insecurity and undernutrition within the country.
Fig. 5.2

International comparisons in the share of malnutrition (2015–16). Source: World Bank DataBank; based on authors calculations

Fig. 5.3

Share of stunted children under 5 years (2015–16). Source: NFHS 2015–16 and World Bank DataBank; based on authors calculations

Fig. 5.4

Percentage change in the undernutrition in children under five by state classification. Source: NFHS 2005–06 and NFHS 2015–16; based on authors calculations

Two, the problem of hidden hunger, or micronutrient deficiency, in India continues to remain acute. For example, the current incidence rates of anemia for men (23%), women (53%) and children (58%) are higher than incidence rates of the same group of individuals in poor countries such as those in sub-Saharan Africa (Fig. 5.5). Of those who are anemic, iron deficiency anemia (IDA) is believed to affect around 60% of all individuals (Murray et al., 2012). This disease has been correlated with greater fatigue and lower productivity. Other essential nutrients such as iodine and vitamin A too, that are important inputs into biological processes, have not yet been able to find a way into the Indian diet (Jha, Gaiha, & Sharma, 2009). For women in India, reducing anemia continues to remain extremely difficult to tackle compared to other groups. Between the NFHS III & IV, anemia incidence decreased by 3.6 percentage points for non-pregnant women in comparison to men whose anemia decreased by 4.2 percentage points. Both these groups were not targeted for any interventions. In states which have had a history of high productive agricultural systems, anemia rates of women have increased during this time. This is a cause of concern given that this micronutrient deficiency has been linked with higher maternal mortality in adults as well as lower cognitive development and higher infant mortality rates (Akhtar et al., 2013; Allen, Peerson, & Olney, 2009; Bobonis, Miguel, & Sharma, 2004; Brabin, Hakimi, & Pelletier, 2001; Jones et al., 2016; Rasmussen, 2001).
Fig. 5.5

Percentage change in anemia prevalence by state classifications. Source: NFHS 2005–06 and NFHS 2015–16; based on authors calculations

Three, while the country continues to grapple with the problem of undernutrition, experts have called to attention the unprecedented increase in obesity rates, both in rural and urban areas in the country (R. Jha et al., 2009; Meenakshi, 2016; P. Pingali, 2007; Popkin, 1997, 1999; Sengupta, Angeli, Syamala, Dagnelie, & Schayck, 2015; Sturm, Ringel, & Andreyeva, 2004; Swinburn et al., 2011). Traditionally, obesity has been viewed as a luxury good associated with higher per capita incomes and a greater level of structural transformation (Popkin, 1997, 1999). However, obesity rates have increased at an alarming rate in the last ten years—doubled for men and increased by 62% for women (Fig. 5.6). Even across states, it would seem that poorer states are worse affected by the changes in obesity rates compared to richer states. Obesity is a known risk factor for non-communicable diseases (NCDs) such as diabetes, heart disease, cancer and other chronic diseases. Even in the country, higher incidence of high sugar is correlated with high obesity in states (Fig. 5.7). In the United states, in addition to health risks, obesity has also been found to explain lower incomes, productivity and wages in addition to lower long-term health (Alaimo, Olson, & Frongillo, 2001; Cawley, 2015; Wang, McPherson, Marsh, Gortmaker, & Brown, 2011).
Fig. 5.6

Percentage change in obesity incidence by state classifications. Source: NFHS 2005–06 and NFHS 2015–16; based on authors calculations

Fig. 5.7

Relationship between the risk of diabetes and over-nutrition in adults. Source: NFHS 2015–16; based on authors calculations

The fourth but important characteristic of the malnutrition problem in India is that it remains a problem for women and children regardless of the level of economic development in the country. Even though multiple interventions have targeted changes to move the indicators on these groups, the stickiness of the problem is reflected both in economic outcomes and in the inequities remaining more or less constant over time. Regarding anemia prevalence, over-nutrition or even undernutrition, the prevalence rates continue to remain the highest for these groups. When women are undernourished, research has found that this leads to low labor productivity, health and economic development of the household. This has negative intergenerational spillovers on the health of children for whom the woman is the major care giver. When children are undernourished in their childhood, this has been linked to poor adult education, health and productivity outcomes (Alderman et al., 2006; Almond & Currie, 2011; Gutierrez, 2013; J. Hoddinott et al., 2008; J. A. Maluccio et al., 2009; Plessow et al., 2015).

5.3 Pathways Towards Better Nutrition Outcomes

Policy makers and scientists around the world have learned that reducing malnutrition is not just about making more food or even more healthy food available for individuals to consume. There are many other channels through which individuals are prevented from accessing adequate food or nutrients. To capture the complexity of the problem of access, we build on the nutrition framework proposed by Pingali and Ricketts (2014) that encompasses the main pathways relevant in our food systems approach. At its broadest level, there are two main units of analysis in this framework—the household and the individual. Malnutrition arises from the lack of access to diverse diets for households. This arises due to the lack of availability of diverse foods in a local ecosystem (Fig. 5.10, quadrant 1) as well as due to income insecurity that impacts the affordability of a balanced diet (Fig. 5.10, quadrant 2). This translates into low food security and poor diet diversity across households and thus enhances risks involved in being malnourished. With regard to ensuring greater availability of diverse foods within a local ecosystem, corresponding nutrition and agriculture-related interventions play an important role in access. Income uncertainty that arises from socio-economic disadvantages is known to limit households’ ability to access foods. Thus interventions that create safety nets to protect households against income shocks can play a key role in improving access. Within households, intra-household dynamics (Fig. 5.10, quadrant 3) and the health environment (Fig. 5.10, quadrant 4) determine nutrition access and hence explain differences in nutrition outcomes between members. With regard to risk factors that arise from intra-household dynamics, age, gender, relationship to the head of household and so on play an important role in determining access to food. This dynamic is reflected in Figs. 5.8 and 5.9, where one sees that women and children have the highest rates of malnutrition compared to male members. Finally is the effect of the health environment which is impacted by disease burden as well as water and sanitation quality within households. By affecting human biological processes that help in the absorption of nutrition, a poor health environment becomes an important risk factor in determining malnutrition levels (Fig. 5.10).
Fig. 5.8

Intra-household burden of undernutrition share by state classifications. Source: NFHS 2015–16; based on authors calculations

Fig. 5.9

Intra-household burden of anemia by state classification. Source: NFHS 2015–16; based on authors calculations

Fig. 5.10

Pathways to better nutrition

In this chapter, we add the effects of the growing incidence of NCDs, rising economic inequality and threats from climate change to the framework. NCDs can directly reduce individuals’ ability to absorb food by impacting their health. If women are more susceptible to health shocks from NCDs, this can worsen the problem of access to nutrition and can also negatively impact children’s health outcomes (Shetty et al., 2012). Increase in NCDs can also lower the productivity of household members, thus impacting how much food there would be available to consume. Exposure to secondary health risks increases the probability of catastrophic health episodes and thus reduces income security of households. An unanticipated health episode is known to be a major risk factor in the impoverishment of households (Krishna, 2011). Rising economic inequality reduces the number of economic opportunities available for households to participate in the process of development. This creates a self-reinforcing vicious cycle of low income and low ST. States with low ST do not have the institutional capacity to implement successful poverty alleviation programs. Given that labor is a major input into agricultural production in these regions, poor health of individuals in these states translates into low agricultural productivity. Poor health also prevents individuals from participating in economic development activities that may be available in high growth states, thus locking individuals and their respective states into a suboptimal equilibrium of poor health and poor economic development. This reduces the ability of states to participate in catch-up growth. Finally, threats from climate change have brought new, unanticipated negative spillovers to economic development, health and agriculture. By increasing uncertainty in agricultural production, climate change threatens to increase food price volatility, decrease access to food for poor households, decrease the nutrient content of crops as well as decrease the health environment.6 These shocks will threaten efforts made towards improving nutrition outcomes. In the next section, we summarize the evidence from the literature with regard to the pathways as well as the experience of these interventions along these pathways in enabling greater nutrition.

5.4 Evidence on Pathways and Their Corresponding Food, Agriculture and Nutrition Interventions

5.4.1 Pathways to Reduce Household Malnutrition Through Diet Diversification

According to the Food and Agriculture Organization of the United Nations (FAO), “Dietary diversity is a qualitative measure of food consumption that reflects household access to a variety of foods, and is also a proxy for nutrient adequacy of the diet of individuals” (Kennedy, Ballard, & Dop, 2011). Diet diversity of households is known to be correlated with better nutrition (Arimond & Ruel, 2004; Busert et al., 2016; J. Hoddinott & Yohannes, 2002; Pingali & Sunder, 2017; Popkin, Horton, Kim, Mahal, & Shuigao, 2001; J. H. Rah et al., 2010). For example, increased dietary diversity has been associated with lower prevalence of hidden hunger and higher nutrient adequacy ratios for individuals (Arimond & Ruel, 2004; Ruel, 2003; Steyn, Nel, Nantel, Kennedy, & Labadarios, 2006). In households with greater consumption of animal-based products such as milk, eggs or meat, children who are not breastfed have lower stunting and wasting as well (Ruel, 2003). Lack of diet diversity has more recently been linked to a higher risk of obesity (Azadbakht & Esmaillzadeh, 2011; Nicklas, Baranowski, Cullen, & Berenson, 2001). Given this close relationship between dietary diversity of households and nutrition outcomes, ensuring that households can access diverse foods requires interventions at two levels. First is to ensure that there is greater availability of food diversity within the local system. The second set of interventions would need to improve the affordability of these diets. In this section, we discuss the various interventions that have been currently implemented in India with regard to improving nutrition by targeting household diet diversity.

5.4.1.1 Improving Access to Food Diversity

In India, staple grain policy has subsidized the production of calorie dense foods (P. Pingali, 2015). While these policies have successfully increased staple grain productivity and hence economic outcomes and nutrition in some parts of the country, it has also led to a regional divergence in outcomes. Agricultural households from low ST areas have low cropping diversity, low ability to participate in markets as well as some of the worse nutrition outcomes in the country. Staple grain fundamentalism in agricultural policy has preoccupied policy makers in investing in productivity enhancing staple-grain-focused technologies at the cost of developing similar biotechnologies for non-staple crops (Pingali, 2012). This strategy has increased vulnerability in the production of non-staples, especially in areas which are not properly irrigated. As climate change threatens the production of crops, lack of technology for drought-resistant, heat-resistant and flood-resistant non-staples increases vulnerability of the same.7 On the demand side, as discussed in Chap.  4, the growth of the retail sector and organized sector and increased expenditures on non-staples reflects the increase in demand and hence willingness to spend on these goods. Urban dietary demand, for example, has been rising quite rapidly across all states, especially in those regions that are more developed (Fig. 5.11). Agricultural (rural) households too are spending a larger fraction of their incomes on non-staples (such as meat, pulses, fruits and vegetables) purchased from the markets (S. Subramanian & Deaton, 1996; Deaton, 1987). These demand factors create non-trivial production challenges and challenges for their distribution. These supply and demand factors have important implications for the availability of nutrients and diverse foods at the household level. If climate shocks increase uncertainty in food production and hence increase volatility of food prices, poor households will be more vulnerable to shocks food security and hence malnutrition (Jensen, 2000).
Fig. 5.11

Urban household dietary-spending patterns in India (2011–12). Source: Food Consumption Expenditure report NSSO 2011–12; based on authors calculations

Currently, research on the safety net programs such as the Mid-Day Meal Scheme (MDMS) and the Public Distribution System (PDS) have shown mixed results regarding their impact on improving household diet diversity. Research on the Integrated Child Development Scheme (ICDS) program has shown it to be mildly effective in reducing undernutrition in children and mothers who are beneficiaries of the program. In areas where Anganwadi health workers have been compensated for performance, there has been greater short-term progress in addressing malnutrition (Dubowitz et al., 2007; P. Singh, 2015). Thus having a strong locally oriented health task force has been an important complementary investment required for improving undernutrition outcomes. Evaluations of the MDMS has shown its effectiveness in reducing undernutrition of school-aged children, especially from families who suffered from shocks such as droughts (Singh, Park, & Dercon, 2013). Rahman (2016) and Kishore and Chakrabarti (2015) have linked universal access to the PDS with greater household diet diversity. However, in a study by Kaushal and Muchomba (2015), the author found that PDS access may not have a clear impact on nutrition outcomes. The challenges in implementation that have led to this mixed evidence on their impact will be discussed in more detail in the next chapter.

On the other end of the malnutrition burden, research has shown that rising obesity and NCD prevalence has been linked to consumption of excessive carbohydrates and sugar in diets. Staple grain crops and sugar crops have been long favored by agricultural and PDS procurement policies in the country. By artificially keeping consumption prices low, experts have speculated that this has led to overconsumption of these foods in diets. According to Arora, Pillai, Dasgupta, and Garg (2014) increased consumption of sugar and fat products in diets is a major risk factor in explaining the rise in obesity in India. Anjana et al. (2015) found that increased intake of refined cereals was highly correlated with increased diabetes incidence especially when time spent on sedentary activities (such as watching television and sitting) was high and abdominal obesity was high. Shrivastava, Misra, Mohan, Unnikrishnan, and Bachani (2017) have found evidence that South Asians consumed more calories from carbohydrates and their foods had a greater glycemic index compared to their European counterparts. These dietary patterns have been linked to greater NCD risks. However, research in this area is new and needs to be further developed. In addition, given that it is a new phenomenon, interventions have not yet been incorporated into policy making.

Micronutrient deficiency (hidden hunger) is the third component of the triple burden that has been linked to lower diet diversity of households. At various points in the country’s history, the nutrition department has run information campaigns on better diets and nutrition. A cross-sectional study on the effectiveness of advertisement campaigns on purchasing iodized salt found that it reduced undernutrition of children, but the authors found the effects to be very small (S. Kumar & Berkman, 2015). In the 1990s, famous national advertising campaigns that encouraged the consumption of milk and eggs became a part of nutritional messaging in the country. Even though knowledge about the benefits of these products grew, there have been no experimental evaluations of the impact of these information and communication programs on household diet diversity or nutritional outcomes thus far. In the chapter on policy (11), we discuss the possibility of introducing laws for increasing food safety, fortification of foods and biofortification of crops as methods to improve access to micronutrients in food at the economy level and hence at the household level.

5.4.1.2 Increasing Household Incomes

When the level of income or the number of employment-generating opportunities that households have access to is low and the probability that households are impacted by productivity shocks is high, households faced greater income insecurity. By reducing the ability of households to plan ahead and thus purchase diverse foods from markets, income insecurity reduces the affordability of nutritious diets and thus increases malnutrition. In households from more developed states in India, greater income security (incomes per capita) and more market access (greater employment opportunities) have been found to be correlated with higher dietary diversity and lower levels of undernutrition (Koppmair, Kassie, & Qaim, 2017; Sibhatu, Krishna, & Qaim, 2015). Agricultural households from these areas too have greater income-generating capability and hence better access to nutritious foods and hence better nutrition outcomes. In lagging states in India, agricultural households are more likely to consume food from their own farms (P. Pingali, Mittra, & Rahman, 2017). Research from other similar subsistence agriculture contexts has shown that access to home gardens or livestock related livelihood opportunities can improve diet diversity and nutrition in such contexts (Ali, Ahmed, & Islam, 2008; Berti, Krasevec, & FitzGerald, 2004; Jones, Shrinivas, & Bezner-Kerr, 2014; Masset, Leroy, & Frongillo, 2007).

Looking at effective interventions across the country, commercialization of the agricultural production system is an important pathway to increase ST, reduce rural poverty and reduce rural malnutrition. In order to enable greater commercialization, reducing transaction costs in participating supply chains (Abraham & Pingali, 2017) as well as strengthening the participation of the retail sector in procurement and distribution of foods from small farms is an important way forward (Boselie, Henson, & Weatherspoon, 2003; Reardon, Timmer, & Minten, 2012; Thomas Reardon & Minten, 2011).8 As seen in Chap.  3, non-farm incomes and remittances from migrants have also been found to play an important role in increasing income security and diet diversity as well as reducing malnutrition in rural households (Babatunde & Qaim, 2010; Binswanger-Mkhize, 2012; Imai, Gaiha, & Thapa, 2015; Owusu, Abdulai, & Abdul-Rahman, 2011; Benjamin, Reardon, Stamoulis, & Winters, 2002; Binswanger-Mkhize, 2013). Also, interventions that reduce costs of migrating, rural infrastructure projects that increase access to urban markets and rural development programs that stimulate local markets can thus alleviate malnutrition by increasing household incomes. In urban areas as well, income per capita, permanent employment opportunities and better-quality urban infrastructure are known to be correlated with greater diet diversity as well as lower undernutrition. However, there is very little research on the pathways that impact urban food (in)security (Maxwell, 1999). Moving forward, urbanization trends in India will reconfigure the importance of urban food security in the nutrition debates. Developing interventions that focus on improving urban food security will become important as we look ahead.

The second pathway that reduces the affordability of nutritious diets and thus increases household-level malnutrition is unanticipated shocks to household productivity. In this regard, poor households are more likely to be impacted by unanticipated catastrophic events such as health, weather or food price shocks. This increases their vulnerability and thus impacts malnutrition. Research has shown that in the absence of appropriate financial tools to hedge against short-term production risks, crop price shocks tend to translate into worse malnutrition outcomes of households (Bellemare, 2015; De Brauw, 2011; Ivanic & Martin, 2008; R. T. Jensen & Miller, 2008). For example, in Nicaragua, undernutrition in children worsened when incomes of small farmer households growing coffee were hurt by price shocks from the international coffee markets (Maluccio, 2005). In other instances, weather-related shocks such as lower rainfall or longer droughts have been found to worsen nutrition outcomes of both children and adults. For example, famines caused by extended periods of drought have been linked to a reduction in the long-term productivity of adults who experienced these shocks when they were in utero. Providing adequate protection through crop or weather insurance is thus important towards ensuring that households are protected against lower nutrition outcomes. Health shocks can be devastating for household food security and nutritional outcomes (Strauss & Thomas, 1998; R. M. Townsend, 1994, 1995; Asfaw & Braun, 2004). Krishna (2011) has documented an unanticipated health shock to the breadwinner of the family can impoverish households. In the short term, health spending can increase household debt, thus reducing household access to nutritious foods. In the long run, the productivity of households can reduce if children are taken out of school to work or women have to participate in labor markets that pay them lower wages.

At the economy level, structural transformation and economic growth has led to changing preferences in diets and has increased opportunity costs of home food preparation (due to rising wages). These phenomena have been correlated with greater demand for eating diverse foods and eating more processed foods available at supermarkets and restaurants (Pingali, 2006; Popkin, 1999, 2003).9 These changes are reflected both in the growth in expenditure shares in household spending on non-staples, such as milk, eggs and meat relative to staples, and in the greater demand for eating out (Gaiha, Jha, & Kulkarni, 2013). While many of these dietary changes have been linked to lower undernutrition and hidden hunger outcomes, Anjana et al. (2015) found that increased intake of refined cereals, fruits and vegetables, dairy products, and monounsaturated fatty acid was correlated with increased diabetes when sedentary activities and abdominal obesity of individuals was also high. There is some evidence to show that greater income per capita has increased the consumption sugary and fat-based products (Gaiha et al., 2013; V. Gupta, Downs, Ghosh-Jerath, Lock, & Singh, 2016; P. Pingali, 2006). Consumption of these types of foods has been associated with greater obesity incidence. Also, Arora et al. (2014) argue that doubling in the per capita consumption of these products over the last 15 years can be correlated with increases in obesity in the country. However obesity is still a new phenomenon in India. Hence there has been very little research done so far to understand the income effects of food demand on obesity in the country. Also thus far the obesity phenomenon is largely urban and is linked to higher incomes per capita, but research from developed country contexts finds that as the difference in incomes per capita increases, obesity incidence becomes a burden for poorer populations. In the absence of a food system that accounts for this issue of access, obesity becomes a major threat to future health systems.

5.4.2 Pathways to Reduce Individual Malnutrition by Improving Access

Across India and in all types of malnutrition indicators, women and children do far worse than the adult males. Within the same household as well, it is common to see that women, children or older-age adults are more malnourished than the adult male or breadwinner. Even between children, boys are known to have better nutrition outcomes than girls. There are two major explanations for the intra-household variation in malnutrition outcomes. First, observable traits such as gender, age, education and labor force participation often determine who has access to nutrition within households. Households tend to invest their scarce resources towards individuals who have the highest potential to improve household welfare. Even if not directly observed, intra-household dynamics such as bargaining power, time use patterns and cultural beliefs and practices can also create unanticipated trade-offs between household members and thus moderate their access to food and nutrition. Even in completely egalitarian and altruistic households, the health environment often plays a role in increasing morbidity and sickness. Combined with age, health stock of individuals and their access to food, a poor health environment creates barriers to nutrient absorption. Lack of water or sanitation facilities and high incidence of communicable diseases increase morbidity of children and hence reduce their ability to access nutrition. For older adults, age and susceptibility to NCDs also increases morbidity and hence affects their nutrition outcomes. These factors contribute to intra-household dynamics that result in nutrition outcomes that differ across individuals who live within the same household.

5.4.2.1 Inducing Positive Nutrition Behaviors Within Households

Within households, nutrition disparities are the outcome of six important channels. One, in many poor agricultural households, the low opportunity cost of time, reflected by low (agricultural) wages of women and girls relative to men and boys, creates a nutrition-productivity spiral in favor of the men and at the expense of women. This problem is particularly harsh in income-constrained households where members may allocate more market work to the higher-paid members, thus reinforcing a productivity nutrition trade-off in their favor (J. R. Behrman & Deolalikar, 1993, 1990; Deolalikar, 1988). These trade-offs become salient when households experience income shocks. For example, nutritional outcomes of women and girl children worsen when there are agriculture-related shocks such as droughts or floods, during price shocks and during labor market shocks such as health shocks, migration-related shocks and economic downturns (Agüero & Marks, 2011; Akresh, Verwimp, & Bundervoet, 2011; Alderman et al., 2006; Baez & Santos, 2007; D’Souza & Jolliffe, 2013; del Ninno & Lundberg, 2005; Ferreira & Schady, 2009; J. Hoddinott, 2006; R. Jensen, 2000). Two, women are often relegated to household tasks such as water and firewood collection or threshing and harvesting on the fields. These tasks are energy intensive, but they are undervalued in the market (H. R. Barrett et al., 2005; Kadiyala, Harris, Headey, Yosef, & Gillespie, 2014). Even though there is no strong evidence that malnutrition outcomes of children worsen when mothers go back to work, women maybe expected to stay home and involve themselves in child care (Bennett, 1988; Glick & Sahn, 1998; Kes & Swaminathan, 2006; Leslie, 1988). These services too are undervalued and thus women’s (girls) household contributions tend to be undervalued in favor of men (boys) thus reducing access. Studies from Mexico have found that changing returns to household work through cash transfers for girl children can be one way to help reduce their time spent on household work and to keep them in schools (Parker & Skoufias, 2000). Three, Jayachandran and Pande (2017) found the oldest male child within a household had better nutrition-related outcomes compared to similar children in Africa. However, any other child (with a higher birth order) fared worse than a comparable group of children from the same context. Hoddinott and Kinsey (2001) and Maccini and Yang (2009) also found that when there were rainfall shocks, within the same household, girls’ malnutrition and schooling outcomes worsened in relation to boys’ malnutrition outcomes. Thus discriminatory practices based on birth order of gender often lead to different nutrition outcomes between groups of children within the same households. Four, intra-household bargaining literature shows that when women have more bargaining power within households nutritional outcomes of all members improve. For example, when households are headed by women rather than men, the nutrition outcomes of children are better in the former even if their incomes were lower on average (Headey, 2013; C. Johnson & Rogers, 1993). Multiple authors have found that women’s education is a powerful channel through which household malnutrition, as well as intergenerational health outcomes of children, can improve (Case & Ardington, 2006; Currie & Moretti, 2003; Oreopoulos, Page, & Stevens, 2006; Thomas, Strauss, & Henriques, 1991). Intra-household bargaining power of women is also reflected in the amount of freedom they have to control resources when they belong to male-dominated households. Multiple researchers have found that increase in empowerment of women within households, represented by greater financial control and more physical mobility outside the home, played an important role in improving child nutrition indicators (Imai, Annim, Kulkarni, & Gaiha, 2014; Shroff, Griffiths, Adair, Suchindran, & Bentley, 2009; M. R. Shroff et al., 2011). Thus increasing women’s education, bargaining power and empowering women to take decisions within households will be important towards decreasing intra-household disparities. Five, within households, it can also be the case that households may not have proper information on nutritional behaviors that can impact malnutrition. In sub-Saharan Africa, evaluations of behavior change communication programs on breastfeeding have been found to be effective in increasing knowledge, duration of breastfeeding and health outcomes especially for babies whose mothers are HIV positive (Coovadia et al., 2007; Thior et al., 2006). Interventions such as the distribution of vitamin A and iron tablets in India have been unsuccessful in reducing micronutrient deficiency since households lack information on the benefits of following treatment protocols properly. Six, cultural practices often prevent women and children from accessing the necessary care from interventions that are focused on improving their health. In some cases, cultural beliefs about the micronutrients’ effects on health play a role in reducing whether women and children continue treatment. For example, in India, Nichter (2008) found that women were discouraged to take iron supplements since midwives from the villages believed it would increase the size of the baby in utero and thus increase complications for child mortality in women who were giving birth. However, the flip side to the argument was that women who were anemic were highly susceptible to maternal mortality risks. Changing these behaviors require education interventions for all household members, informational campaigns about the importance of nutrition and economic growth policies that are inclusive.

Programs such as the ICDS focus on addressing malnutrition by providing pregnant women and new mothers with reproductive healthcare such as ante-natal checkups, nutrition supplements such as iron tablets, nutritious meals and information on managing nutrition intake during their pregnancies. For newborn children, the ICDS provides post-natal care, monitors anthropometric health of newborn children and educate mothers on the importance of breastfeeding and eating healthy. Information on nutrition supplements and nutrition intake for children are also provided to new mothers with the view to change behavior. Evaluations of these programs have found that iron-related nutrition outcomes of children improved after women were educated on the same (Kapur, Sharma, & Agarwal, 2003). With regard to undernutrition, additional interventions such as encouraging early initiation of breastfeeding practices were found to be more effective than just providing individuals with more information on nutrition practices (Kumar, Goel, Mittal, & Misra, 2006). Introduction of complementary feeding practices along with breastfeeding was found to be associated with better nutrition outcomes for children in some areas as well (Menon, Bamezai, Subandoro, Ayoya, & Aguayo, 2015). In states such as Maharashtra, regular monitoring of babies and mothers and strict protocols to identify and treat groups that are at high risk of malnutrition have played an important role in reducing its severity. Greater citizen involvement has also been thought to be the key motivation for creating efficient systems in Maharashtra. The MDMS program, on the other hand, has been found to be an extremely cost-effective program in improving nutrition outcomes of students. Afridi (2010) found that for less than Rs. 20 a day, a child attending a school with access to MDMS reduced their daily dietary calorie deficiency by 30%, iron deficiency by 10% and reduced protein deficiency by 100%.

India has some of the world’s worst rates of anemia for men, women and children, and this burden exists across states and economic development outcomes in the country. Anemia has been linked to the lack of micronutrient availability in diets and is known to have many long-term negative health effects on individuals as well. Many interventions implemented by the health department in India have focused on improving the last mile access with regard to micronutrients. For example, distribution of vitamin A and iron capsules for pregnant women and babies have long been part of the strategy to improve reproductive and child health in the country. However, there have not been many rigorous evaluations of these programs. For example, Semba et al. (2010) found some evidence that vitamin A interventions in India did reduce child undernutrition, especially wasting in children. However, the effects were modest at best. In cases where it has worked, experts have shown that there are significant improvements to child health. Adhvaryu and Nyshadham (2016) found that when children were exposed to iodine supplementations in utero, they were more like to have better health and cognitive outcomes compared to a sibling who was not exposed.

The other important and growing phenomenon in the malnutrition burden is obesity incidence. A systematic review of the nature of obesity within households reveals that in less developed countries, obesity is an outcome of income and is equally prevalent between men and women in rich households. However, greater economic development becomes associated with obesity of women in the lower income strata, but male obesity tended to more malleable to economic growth (Dinsa, Goryakin, Fumagalli, & Suhrcke, 2012). In these contexts, obesity of women is also associated with a higher premium in labor markets regarding reduced wages as well as greater health spending (Cawley, 2004, 2010). These effects are known to spill over on poor health outcomes that have negative effects for both women and their children. In India, S. Gulati et al. (2013) find that socio-economic indicators and the lack of knowledge on obesity explain the high overweight rates of girls and boys in urban schools. However, other than the income and information pathways, there is very little known about why women and children may be susceptible to obesity in the country. Given its challenges for health, this becomes an extremely crucial investment area as we think ahead to improve nutrition outcomes.

5.4.2.2 Improving Nutrient Absorption by Investing in the Health Environment

Poor nutrition and a poor health environment have an endogenous relationship. Among the factors that increase this vulnerability are the age of the individual and their health stock. Children who are undernourished or anemic, for example, are more susceptible to diseases in the health environment (Horton & Ross, 2003; Thakur, Chandra, Pemde, & Singh, 2014). Similarly, children who have higher morbidity have worse malnutrition outcomes (Clasen et al., 2014; Miguel & Kremer, 2015). This endogeneity reinforces the problem of poor nutrient absorption for children. A poor health environment can be an outcome of low quality of drinking water, inadequate sewerage facilities, proximity to fecal contamination by livestock and humans and poor hygiene in water and sanitation practices. As disease burden increases in the surrounding areas, constant exposure to disease reduces individuals’ ability to absorb nutrition from foods that they eat.

In India, much of the disease burden still comes from diarrhea incidence. Diarrhea is an outcome of bacterial and viral infections that can be transmitted through an unclean environment. In Fig. 5.12, we see the strong correlation between low sanitation infrastructure and diarrhea incidence in children. Hammer and Spears (2016) and Spears, Ghosh, and Cumming (2013) showed that in India, reduction in stunting was correlated with a reduction in open defecation in villages through the construction of toilet infrastructure. In the lagging states of Madhya Pradesh and Orissa, Clasen et al. (2014) and Patil et al. (2014) showed that constructing toilets could not help reduce diarrheal infections since households did not engage in clean sanitation behaviors even after the infrastructure became available. Supplementing investments made in constructing infrastructure for water and sanitation services, along with BCC interventions, has been found to be most effective in improving nutrition in many other developing countries. Having access to clean water and engaging in hygienic practices for sanitation-related cleanliness was found to be effective in lowering disease burden and hence improving nutrition outcomes in India (Lee, Rosenzweig, & Pitt, 1997; Mangyo, 2008). Rah et al. (2015) found that in areas where the primary care givers encouraged clean drinking water practices such as washing hands before eating and after using the toilet, stunting-related malnutrition decreased. In places where households consume water stored in containers, sanitizing water storage facilities through the addition of chlorine tablets has been found to decrease the spread of disease (Mengistie, Berhane, & Worku, 2013). Other practices such as boiling water before consuming it and encouraging people to wash hands with soap before they eat has been found to be effective in the fight against diarrhea (Biran et al., 2008). Other health-related interventions such as vaccinations against communicable diseases, distribution of deworming tablets, provision of bed nets to reduce the spread of mosquitoes and malaria have also been found to be effective in improving child health (Lim et al., 2011; Miguel & Kremer, 2015). By reducing morbidity, these interventions improve the nutrition absorption capacity of children and thus can contribute to the fight against malnutrition.
Fig. 5.12

Relationship between diarrhea prevalence and lack of sanitation. Source: NFHS 2015–16; based on authors calculations

5.5 Challenges for the Future

Moving the country from high undernutrition to low undernutrition while simultaneously preventing an increase in obesity needs to be a key goal for enabling a smooth transition towards better health. However tackling high undernutrition, micronutrient deficiency or high prevalence of obesity requires different interventions that address key challenges based on the malnutrition type. In Fig. 5.13, we see that obesity has become a problem of high incomes, while undernutrition is correlated with low ST. Hence interventions need to address the specific nutrition-economic growth context of ST that aligns with each state. For example, tackling obesity in urbanizing states like Kerala would need to become the key focus of state development policies while tackling undernutrition in lagging states like UP needs to remain a priority. Within each of these categories, identifying the main channel through which malnutrition is impacted should be identified both by state and by district. For example, in more hilly areas of Chhattisgarh, solving the problem of access to food maybe more important for reducing undernutrition while improving sanitation access might be more effective in the plains of Madhya Pradesh. Similarly, improving nutrition education and positive nutrition behaviors might be key in Tamil Nadu where white collar jobs dominate economic growth while improving food grades and safety in Maharashtra would improve access to nutrition in urban areas, where much of food is accessed by eating out. Thus, looking ahead there is a need for more state specific research for identifying the most important pathway through which the threat for malnutrition can be reduced.
Fig. 5.13

District-level association between urbanization and obesity. Source: Census 2011 and NFHS 2015–16; based on authors calculations

There are three additional challenges for the triple burden of malnutrition as we look ahead to 2050. The first challenge is tackling the rising incidence of NCDs. As per the report (MoHFW, 2017), nearly 62% of all deaths in the country are due to NCDs. This number has nearly doubled in the last two decades. Urbanized states have the highest DALYs10 from premature deaths while lagging states have the lowest this far. NCDs account for 35% of premature deaths of individuals between the ages of 15 and 39 and 74% of all deaths for individuals between the ages of 40 and 69 in the country. Among the NCDs, cardiovascular diseases, chronic respiratory diseases, cancers and diabetes explain more than 80% of all deaths. DALYs from diabetes incidence has increased by 80% and unhealthy diets, higher blood pressure, high cholesterol and overweight now account for 25% of risk associated with NCDs.11 Urbanized states have seen the greatest increase in NCDs and also have the highest increases in obesity incidence (MoHFW, 2017). Given demographic projections for the future, increasing trends for urbanization and increasing incidence of obesity, there is a credible threat that NCDs will become a liability for health systems as well look ahead. This will not only impact malnutrition outcomes; it will lead to a reduction in the productivity of individuals as well as lower economic growth outcomes in the long run.

The second major threat comes from climate change. Changing rainfall patterns, an increase in the number of heat days and increased air and water pollution will worsen the health environment. By reducing access to essential resources such as water and increasing disease burden, climate change will increase the risks for malnutrition. Current research has shown that air and water pollution too can directly impact the health environment and thus health and mortality. Climatic risk factors will also directly impact the rate of incidence of NCDs and hence pose a further threat to progress made towards improving health (Kjellstrom, Holmer, & Lemke, 2009; Majra & Gur, 2009; Myers et al., 2017; Patz, Campbell-Lendrum, Holloway, & Foley, 2005; Watts et al., 2015). Through the agricultural system, climate change also threatens to impact nutrition by reducing food availability and nutrient content in crops. Literature has suggested that women and children will be more vulnerable as climate change threatens access to water and other natural resources which occupy Cooperative Marketing Federation (much of the time use patterns for these groups. All these factors will further reduce the effectiveness of interventions currently designed to address malnutrition.

The third challenge is the problem of growing income inequality across geographical space and incomes. The malnutrition transformation predicts that as incomes increase, undernutrition first decreases and is followed by an increase in over-nutrition. However, with higher levels of development, greater income inequality leads to over-nutrition incidence transitioning away from the rich towards a problem of the poor and less privileged. This transition is driven by increased access to unhealthy processed foods from supermarkets, higher opportunity costs related to home meal preparation as well as greater demand for diet diversity. In India, we are in the process of moving towards high over-nutrition even before we have successfully tackled the problem of undernutrition. This transition can be explained by both the growing income inequality within the country as well as the limited success of current interventions to tackle the undernutrition problem. Given that some states will progress more quickly towards completing their ST, guiding their economies away from a malnutrition transition through appropriate policy interventions that are best suited to the development experiences of the states will be important as we look ahead.

5.6 Conclusion

Similar to the experience of other countries that have undergone a greater structural transformation, India has made progress towards reducing hunger and reducing undernutrition as it emerges into the global stage. Over the last three decades, the country has managed to reduce undernutrition by at least ten percentage points across all individuals. However, tackling micronutrient deficiency continues to remain a challenge for policy makers. Anemia rates of children and women have remained stubbornly high and are still comparable to those in sub-Saharan African countries, which themselves have been on a lower transformation pathway. Much of the progress made towards tackling this problem has now been marred by the fast increasing rates of overweight individuals. This new phenomenon has blindsided policy efforts. While one may be tempted to argue that increasing obesity may itself represent the role of fast rising incomes (as experienced by many other countries), its rate of increase and its indirect effects on non-communicable diseases are extremely concerning. NCDs currently explain around 62% of all deaths in India, a doubling of the rate since the early 2000s. Much of the increase in NCDs has come from diseases such as heart conditions and diabetes which are closely related to issues of food access and malnutrition. This abrupt shift in the distribution of the triple burden of malnutrition is unprecedented, and experts and policy makers have become concerned about its impacts for the health of individuals both in the short term and the long term. In the short term, malnutrition has been found to lower labor productivity and reduce household food security. In the long term, growing numbers of unhealthy populations place a large public health burden on the Indian health system to deliver health services. This may affect the potential for long-term economic development.

Through this chapter, we provide an account of the pathways through which malnutrition can be reduced. We identify four such pathways using a food systems approach. At the household level, access to diverse diets and income security play a major role with regard to increasing food security and reducing malnutrition. Research has shown that helping households diversify their diets by increasing access to diverse foods through markets as well as increasing income and livelihood opportunities is important for tackling malnutrition. For obesity reduction as well, having access to nutritious diets, reducing overconsumption of calories from sugar as well as increasing income security, will play an important role. Within the household, intra-household dynamics with regards to food access and the quality of the surrounding health environment determine an individual’s ability to absorb nutrition from food. Women and children in households are thus especially vulnerable to malnutrition compared to men. Research from developed country contexts suggests that these dynamics play out obesity risks as well. Higher obesity has been found to be associated with poor economic outcomes and lower intergenerational health for women. Spillovers from increasing obesity rates often impact incidence and mortality related to NCDs as well. Thus, improving welfare in the future involves a continued commitment towards the reduction of undernutrition and micronutrient deficiencies, as well as increasing commitment towards reducing risk factors for obesity and thus NCDs.

In this chapter, we present evidence on the success of various interventions that have been implemented in India to tackle the issue of malnutrition. Our chapter also highlights areas where more research or evidence is required to understand how malnutrition can be reduced. For example, we show that there is very little known on the pathways through which obesity can be reduced. Similarly, though there have been many interventions to reduce hidden hunger or micronutrient deficiencies, there is little known on what has worked or not. Also, we discuss the importance of investing in other channels for reducing undernutrition such as reducing communicable disease incidence through vaccinations and increasing access to clean and safe drinking water. We also highlight the differences in the national and regional policy responses to the nutrition issue and argue that a decentralized approach is now more relevant in tackling malnutrition. For example, we propose that discussions on reducing obesity need to become more important in the food policy debates in urbanizing states , while their agricultural policies need to focus on increasing rural income security. In lagging states on the other hand, food and agricultural policy needs to remain focused on reducing undernutrition and hidden hunger. In addition, we highlight the risks that climate change, rising NCDs and regional inequality pose to tackling malnutrition. These phenomena, we argue, increase health systems risks associated with malnutrition and will derail progress made towards achieving better health if not addressed. Thus achieving the goal for nutrition security for the future will require interventions that simultaneously tackle the multiple challenges that impact the triple burden of malnutrition.

Footnotes

  1. 1.

    In the previous chapter, we use the definition of the nutrition transition as described in Popkin (1997), which refers to the dietary transformation that are related to ST. In this chapter the nutrition transformation refers to the changing burden of nutrition-related health problems that constitute the triple burden of malnutrition—we build on the Griffiths and Bentley (2001) conceptualization here.

  2. 2.

    At its broadest level, undernourished individuals are those who do not have access to one or more essential nutrients in their diets. Being undernourished, represented by individuals who are either underweight (too thin for their age), wasted (too thin for their height and age) or stunted (too short for their age) compared to a well-nourished reference population, is one type of undernourishment. Another type of undernourishment is called hidden hunger. This manifests itself as deficiencies of essential micronutrients such as vitamins or minerals in the human body.

  3. 3.

    Over-nourished individuals, on the other hand, are those who consume an excess of a particular macronutrient—calories in particular. This condition is represented by overweight and obesity outcomes which are determined by the age, gender, height and weight of the individual in relation to a similar well-nourished group.

  4. 4.

    The triple burden of malnutrition encapsulates the coexistence of a large number of undernourished individuals side by side with over-nourished people in the presence of high levels of micronutrient deficiencies within a given population. At its broadest level, undernourished individuals are those who do not have access to one or more essential nutrients in their diets. Being undernourished manifests itself as individuals who are either underweight (too thin for their age), wasted (too thin for their height and age) or stunted (too short for their age) compared to a well-nourished reference population. Calorie deprivation and protein energy deficiency are some of the major causes of this type of undernourishment. Another type of undernourishment is called hidden hunger. This manifests itself as deficiencies of essential nutrients such as vitamins or minerals called micronutrients. Diseases such as anemia, night blindness, rickets, scurvy and so on are outcomes of these deficiencies. Over-nourished individuals on the other hand are those who consume an excess of a particular macronutrient, calories in particular. This condition is represented by overweight and obesity outcomes.

  5. 5.

    Most of the improvements came from moving people out of the severely malnourished cases into the moderately malnourished.

  6. 6.

    More evidence on these factors can be found in the chapter on climate change.

  7. 7.

    These factors are discussed in more detail in Chap.  7.

  8. 8.

    This will be discussed in Chap.  8.

  9. 9.

    See Chap.  4 for discussion on patterns and factors of this phenomenon.

  10. 10.

    DALYS—Disability Adjusted Life Years—years of healthy life lost due to premature death and suffering. DALYS = years of life lost + years lived with disability.

  11. 11.

    The latter has increased from 10% in the 1990s.

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Authors and Affiliations

  • Prabhu Pingali
    • 1
    Email author
  • Anaka Aiyar
    • 1
  • Mathew Abraham
    • 1
  • Andaleeb Rahman
    • 1
  1. 1.Tata-Cornell Institute for Agriculture and NutritionCornell UniversityIthacaUSA

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