The Claim: We Overeat Because Our Diet is Low in Vitamins and MineralsWe know that animals, including humans, seek certain properties of food. Humans are naturally attracted to food that's high in fat, sugar, starch, and protein, and tend to be less enthusiastic about low-calorie foods that don't have these properties, like vegetables (1). Think cookies vs. plain carrots.In certain cases, the human body is able to detect a nutritional need and take steps to correct it. For example, people who are placed on a calorie-restricted diet become hungry and are motivated to make up for the calorie shortfall (2, 3). People who are placed on a low-protein diet crave protein and eat more of it after the restriction is lifted...
Does "Metabolically Healthy Obesity" Exist?
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Obesity is strongly associated with metabolic alterations and negative health outcomes including diabetes, cardiovascular disease, and some types of cancer (1, 2, 3, 4). Excess body fat is one of the primary causes of preventable health problems and mortality in the United States and many other affluent nations, ranking in importance with cigarette smoking and physical inactivity. Obesity is thought to contribute to disease via the metabolic disturbances it causes, including excess glucose and lipids in the circulation, dysregulated hormone activity including insulin and leptin, and inflammatory effects. This immediately raises two questions:Does metabolically healthy obesity exist?If so, are metabolically...