Yo-yo dieting or
yo-yo effect, also known as
weight cycling, is a term coined by kelly D.Brownell at Yale University, in reference to the cyclical loss and gain of weight, resembling the up-down motion of a Yo Yo. In this process, the dieter is initially successful in the pursuit of Weight Loss but is unsuccessful in maintaining the loss long-term and begins to gain
the weight back. The dieter then seeks to lose the regained weight, and
the cycle begins again.
Causes
The reasons for yo-yo dieting are varied but often include embarking
upon a hypocaloric diet that was initially too extreme. At first the
dieter may experience elation at the thought of weight loss and pride in
their rejection of food.Over time, however, the limits imposed by such extreme diets cause effects such as depression or fatigue that make the diet impossible to sustain. Ultimately, the dieter reverts to their old eating habits. now with the added emotional effects of failing to lose weight by
restrictive diet. Such an emotional state leads many people to eating
more than they would have before dieting, causing them to rapidly regain
weight.
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