New body composition tests are replacing BMI as a more accurate way to assess health and fitness. Measuring muscle mass and ...

A new study compares body mass index (BMI) with body fat percentage and finds the latter is far more reliable in predicting ...

New research shows being fit matters more than your weight when it comes to living longer. A groundbreaking study of 400,000 ...

These are the best smart scales to buy in every category, from Withings Body and Garmin Index S2 to Renpho Elis 1.