Why do the relatively poor native populations in Mexico and Africa have such low levels of the chronic diseases that plague the United States? Why is the rate of seasonal affective disorder in Iceland--a country where dreary weather is the norm--so low? Why is...
Pizza, pasta, hamburgers, sushi, tacos, and french fries . . . whether our ancestors were born in Madrid, Malaysia, or Mexico, chances are our daily food choices come from all around the globe. Unfortunately, we have taken some of the worst aspects of our varied ancestral menus...