Sublime

I wouldn't want to carry that argument to the Tarahurnara Indians, who live in Copper Canyon in north-central Mexico. These Native American people are quite possibly the most physically fit people on Earth. Their level of endurance is, by our standards, stupendous. Their favorite pastime is a kind of kickball game that goes on for many days, in whi

ketogenic diet,

In the book Unsavory Truth: How Food Companies Skew the Science of What We Eat, Marion Nestle,

When we engage in bouts of fasting or very-low-carb diets, our leptin levels are reduced—but this has the benefit of increasing the amount of leptin receptors in the hypothalamus. Thus, by fasting, we can regain leptin sensitivity, and by incorporating periodic high-carb, low-fat “refeeds,” we can keep our metabolism revving like a sixties muscle c