Friday, October 26, 2012

You Are What You Eat..

Humans run on a fuel called food.  Yet economists and other social scientists rarely study what people eat.  We provide simple evidence consistent with the existence of a link between the consumption of fruit and vegetables and high well-being.  In cross-sectional data, happiness and mental health rise in an approximately dose-response way with the number of daily portions of fruit and vegetables.

One major note: the researchers caution that reverse causality may be an issue. That is, rather than fruit and vegetables causing well-being, it may be that well-adjusted people prefer eating a lot of fruit and vegetables. The authors recommend additional “randomized trials to explore the consequences for mental health of different levels of fruit-and-vegetable consumption.”

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