Diet Duration & Yo-yo Management
Q. I'm curious about how to maintain weight without the yo-yo effect.
A.
Yo-yo effect usually occurs from rapid dietary restriction (A) or exercise-only weight loss (B). In A, starving lowers metabolism, so when eating resumes, body fat increases. In B, muscle loss reduces basal metabolic rate, making weight gain easier. I know from experience. In Traditional Korean Medicine, Spleen Deficiency (biheo) or Phlegm-Fluid (dameum) are main causes. Approach varies by constitution, but detailed pulse diagnosis is needed.
📝 Detailed Answer
The recurring yo-yo pattern falls into two main types. First is 'starvation dieting,' where rapid weight loss weakens the spleen and stomach, leading to Spleen Deficiency (biheo). The spleen generates qi from food; when weakened, water metabolism slows and the body becomes prone to weight gain—essentially shifting into 'storage mode' due to perceived famine. Second is exercise-only weight loss, which reduces muscle mass and lowers metabolism, while residual fat tissue accumulates Phlegm-Fluid (dameum)—a waste-like substance that settles under the skin and between organs, making fat hard to lose and easier to regain. In Traditional Korean Medicine, these two conditions are differentiated for treatment: for predominant Spleen Deficiency, tonifying the digestive system; for predominant Phlegm-Fluid, promoting metabolic circulation. However, since individual causes vary, the most accurate assessment comes from a clinical consultation including pulse, tongue, and body type examination. I’m not forcing you, but seeking such a consultation once could help you find a direction suited to your constitution.
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Expert Verified
Dr. Yeonseung Choe
Chief Director
Last reviewed 2026.05.06