Waist circumference

Waist circumference is a simple measurement that helps estimate abdominal fat and cardiometabolic risk, often more informative than scale weight alone. Tracking it over time can guide training, nutrition, and lifestyle changes that support testosterone levels, insulin sensitivity, and long-term health.

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The essentials for waist circumference — then explore the latest posts below.

BRI vs BMI for longevity: Why your waist may matter more than your weight

BRI vs BMI for longevity: Why your waist may matter more than your weight

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Jan 15, 2026 · 13 min read

BRI likely predicts longevity risk better than BMI for many men because it reflects abdominal fat distribution, not just weight for height. If your BMI is “fine” but your waistline is climbing, BRI can be the reality check that pushes you toward the right labs and the right plan. “For men, the big miss with ...

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