Wearable health data

Exploring how wearable devices and the health data they collect can be used to track fitness, recovery, and key biomarkers. Learn how to leverage real-time metrics to optimize your training, sleep, and overall performance.

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The essentials for wearable health data — then explore the latest posts below.

Normal BMI band for men: What research says and why

Normal BMI band for men: What research says and why

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 07, 2025 · 14 min read

A “normal” BMI is 18.5 to 24.9 kg/m². It is a population screening tool and does not directly measure body fat, muscle mass, or visceral fat, so use it as a starting point. Pair BMI with waist circumference, body composition, and a few core metabolic labs to decide what to change and what to track. ...

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