Yo- yo dieting is a diet when an individual hardcore diets for a span of time and then suddenly stops, which causes the person to gain more weight than they lost. An example of this is juice diets, master cleanse, and others. Yo-yo dieting first came about in the late 1980s by Yale University at the Center for Food policy. This became a universal term for weight cycling and your how body reacts to it. The general census that Yale’s Center for Food policy, was that the more yo-yo dieting you take part in; the harder it will be for you to lose weight. They found that individuals who obeyed a low-calorie diet regained considerably more weight than those with a more flexible …show more content…
David Kessler, author of “The End of Overeating” and, former U.S. Food and Drug Administration commissioner and his team of researchers at the University of California at San Francisco and Yale University studied the biology of weight cycling. They looked into “conditioned hypereaters” which is when an individuals reward circuits are overly triggered from the smell of food and the circuits remain activate until all of the food they smell is eaten. In other words, is a learned behavior that is learned by conditioning your brain over time. For these people it is not as easy as resisting temptation because not even willpower can stop the behavior. Kessler noted, "This is a biological cause of conditioned hyper eating. It 's the first time we can say 'It 's not your fault, '". He also estimated that 30% of heavy individuals and 50% of obese individuals and are conditioned hyper eaters