1.
yo-yo effect; weight cycling; repeated weight loss and regain
The pattern in which someone loses weight on a diet and then gains it back, often repeatedly. Likened to the up-and-down motion of a yo-yo toy.
ヨーヨー現象に悩まされている。
I'm troubled by the yo-yo effect.
急激なダイエットはヨーヨー現象を招きやすい。
Drastic dieting easily leads to the yo-yo effect.
食事制限だけで痩せようとすると、筋肉量が減り、ヨーヨー現象が起こりやすくなる。
If you try to lose weight only through dietary restriction, your muscle mass drops and the yo-yo effect becomes more likely.
From English "yo-yo" + 現象 (phenomenon). A health and dieting term, with the same meaning as English "yo-yo dieting."
COMMON COLLOCATIONS:
- ヨーヨー現象が起こる: the yo-yo effect occurs
- ヨーヨー現象を招く: to cause the yo-yo effect
- ヨーヨー現象を防ぐ: to prevent the yo-yo effect
USAGE CONTEXT:
Used in magazine articles, dieting books, and medical advice columns to warn against rapid weight-loss diets. Often paired with discussions of 基礎代謝 (basal metabolism) and {リバウンド} (rebound weight gain).