Dr. Salber weighs in on fat, fitness, and health

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Environmental Cues that Make Us Hungry

Posted on June 21, 2007

We modern humans have a tough time curbing our appetite. The reason for that is that our primitive ancestors, leading a life of hunters/gatherers (or scavengers, as recent research suggests) did not have a steady, predictable supply of food. So our physiology has evolved to store calories when we could get them, in the form of fat. The need was to maximize conservation of energy (or calories), and an elaborate system has evolved in the gut and the brain to accomplish that. This state of affairs served our species well until relatively recently. When the industrial revolution arrived about 200 ...

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calories , diabetes , diet , kids , sleep