Is 'yo‑yo dieting' really harmful? New analysis challenges longstanding assumptions about weight cycling

MedicalXpress | ماي 15, 2026

Weight loss followed by weight regain, commonly known as "yo-yo dieting" or weight cycling, is often portrayed as harmful, even more damaging than remaining overweight. But a new comprehensive analysis published in The Lancet Diabetes & Endocrinology suggests this widely held belief is not supported by strong scientific evidence.