It gets worse. As recent studies have shown, our bodies adjust our metabolic rates so we gain weight easily and lose weight only with difficulty. Those who have struggled with their weight will tell you that weeks of dieting and exercise often result in negligible weight loss, while a weekend calorie binge can pile on a few pounds almost instantly. Thus, obesity and type 2 diabetes are the quintessential evolutionary mismatch diseases, conditions that directly result from humans living in a very different environment than the one they evolved in.*
