Our bodies simply seem to adapt to the new reduced calorie intake and do what they are programmed by evolution to do. It appears that the dull monotony of most exclusion diets is overridden by the body’s impulse to hold on to our fat stores. Once someone has been obese for a while, a whole series of biological changes transpire to maintain or increase their fat storage and the brain’s reward mechanisms for food.3 This is why most diets fail.
