Why We Get Fat

potential food shortage—leptin levels are low. The relative absence of leptin’s message tells the brain, “I don’t have enough body fat!” Your brain then tells you to eat more and move less, which serves to change your behavior until your body fat is within a safer range. You become hungrier (and probably eat more), your metabolism slows down (thank

This condition can occur routinely when you eat a high-carb diet (even if it’s a low-fat diet), because excessive insulin production drives the conversion of ingested carbohydrate into fat (triglycerides). Obviously, the condition can also occur when you eat a moderate-carb, high-fat diet, because insulin will see to it that both excess carbs and f

in order to lower insulin and the body’s tendency to accumulate fat, we should avoid eating easily digestible, high-carb food: sugar, bread, cereal, grains, pasta, potatoes, rice, corn, juice, beer, wine, soda.

Removing protein and fat in the diet may lead to overconsumption. There are natural satiety hormones (peptide YY, cholecystokinin) that respond to protein and fat. Eating pure carbohydrate does not activate these systems and leads to overconsumption (the second-stomach phenomenon).