Waist-to-height ratio is a simple, reliable indicator of central obesity and metabolic risk — often more useful than BMI alone.
Central (abdominal) fat is metabolically active and more strongly linked with cardiovascular and metabolic disease than fat in other locations. Waist-to-height ratio captures this in a single number.
"Keep your waist less than half your height." A ratio under 0.5 is associated with lower metabolic risk; above that, risk increases.
A simple screening indicator — not a substitute for clinical assessment.
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