This paper uses individual-level data to examine the potential link between average protein consumption and happiness within 87 countries between the years of 1981 and 2007. After controlling for other variables that influence happiness as outlined in Maslow's hierarchy of needs, I find that average protein consumption has a statistically significant effect on average subjective well-being. Specifically, the results show that as average protein consumption as a percentage of total caloric intake increases, happiness increases.
Wellander, Nina, "How Does Average Protein Consumption Affect Happiness?" (2011). Honors Projects. Paper 36.
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