yo-yo dieting

American  

noun

1. a repeated cycle of weight loss followed by weight gain.

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yo-yo dieting British  

noun

1. the practice of repeatedly going on slimming diets, and putting on weight in the interim

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Example Sentences

Repeated weight loss followed by weight regain, often called "yo-yo dieting" or weight cycling, has long been viewed as unhealthy and potentially even worse than staying overweight.

From Science Daily • May 17, 2026

Smith and Sirianni compare traditional budgeting to yo-yo dieting: “full of restriction, deprivation, shame and messages about 'cutting', 'trimming', 'counting every tiny penny.'”

From Salon • May 24, 2025

For example, a study published last month concluded that physical activity promotes health more effectively than weight loss — with the added benefit of reducing the health risks associated with yo-yo dieting.

From Seattle Times • Oct. 18, 2021

“The study even states after the device is removed, weight gain occurred. This sets the user up for weight regain and yo-yo dieting, which is associated with heart disease and premature death.”

From Slate • Jul. 9, 2021

Also, yo-yo dieting is hard on your heart — and self-esteem.

From Washington Post • Aug. 2, 2019