Abstract
Based on a representative sample of 449 different individuals, food avoidances are shown to be nutritionally insignificant on average for a population of horticulturalists and foragers living in the Ituri Forest of northeastern Zaire. However, due to variability in food-related beliefs, nutritional costs may be biologically significant for a few individuals. Less than 2% of potential dietary calories are restricted to horticulturalists on average due to food avoidances, while less than 1% is the average cost of these beliefs among foragers. When nutritional costs are calculated from reported avoidance rules rather than consumption practice, estimated costs are significantly inflated. These lower actual costs arise because individuals make use of rules that permit them to eat otherwise restricted foods. For example, eating specific plants is believed to prevent the illness that would otherwise follow the consumption of a tabooed food. Use of such exception rules significantly reduces the nutritional cost of food avoidances for many individuals in this population.
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Aunger, R. The nutritional consequences of rejecting food in the Ituri Forest of Zaire. Hum Ecol 20, 263–291 (1992). https://doi.org/10.1007/BF00889898
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DOI: https://doi.org/10.1007/BF00889898