Which characteristic most strongly indicates that a weight is 'healthy' according to course concepts?

• A. A weight that is at the lower edge of the BMI scale regardless of how it is achieved, because lower BMIs always equal lower disease risk.
• B. A weight that mirrors the average weight of peers, because social conformity is the best measure of health.
• C. A weight that is appropriate for the individual's age, height, and sex and can be maintained through sustainable lifestyle choices without constant dieting.
• D. A weight achieved primarily through short-term restrictive dieting, because rapid weight changes show strong metabolic control.

Answer: (C)