The prevalence of obesity has increased dramatically in the USA and worldwide over the past 30 years. Obesity and its consequences represent a significant public and individual health concern. Generally, obesity results when there is a sustained energy imbalance such that caloric intake (i.e., through food and beverages) exceeds caloric output (i.e., body functions, physical activity). In adults, obesity is defined as a body mass index (kg/m2) of 30 or higher and overweight is defined as a BMI between 25.0 and 29.9. In children and adolescents, obesity is defined as a BMI at or above the 95th percentile for age and gender, and overweight is defined as a BMI at or above the 85th percentile. Current estimates suggest that 32% of men and 35% of women in the USA meet criteria for obesity (Flegal, Carroll, Ogden, & Curtin, 2010). Similarly, almost 17% of US children and adolescents (ages 2–19) are obese and 32% of youth are either overweight or obese (Ogden,...
References and Readings
- Thorpe, K. E., Flororence, C. S., Howard, D. H., & Joski, P. (2004). The impact of obesity on rising medical spending. Health Affairs, 23, 480–486.Google Scholar