Which short definition best describes weight cycling (yo-yo dieting)?

• A. A single rapid weight loss event that is immediately followed by permanent weight maintenance.
• B. Repeated episodes of intentional weight loss followed by unintentional weight regain.
• C. The physiological increase in BMR that consistently prevents weight regain after dieting.
• D. Slow, steady weight gain over several decades without any intentional dieting attempts.

Answer: (B)