Evidence-based guides on health, fitness and wellness
Everything you need to use heart rate zones correctly—from simple calculations to pro-level threshold methods—explained in plain English and backed by research.
BMR is the energy your body burns doing “nothing.” Here’s the simple, research-backed way to understand, measure, estimate, and use it smartly.
BMI has been our go-to health metric for decades, but recent research reveals surprising limitations. Learn how to calculate your BMI correctly, understand what it really means, and discover why modern health experts are recommending additional measurements for a complete picture of your wellness.