The recent issue of Scientific American looks at some of the questions related to the rise of obesity in a world still plagued by famine.

A related article in the issue focuses on nutrition and diet as part of the obesity discussion. The author details an ideal diet and then notes that this advice hasn’t changed much since first put forth by University of Minnesota physiologist Dr. Ancel Keys and Margaret Keys in their 1959 book Eat Well and Stay Well the Mediterranean Way.