Thanks to the ever-improving world of fitness trackers and apps, you've never had more access to personal health data. But which of the dizzying number of markers and metrics should you really be ...

For bodybuilders and fitness enthusiasts, changing body composition often reflects hard work and discipline—but knowing body composition is useful for anyone, and for more than just bragging rights.

A body composition scale analyzes how electrical signals flow through your body, estimating how much of your total weight is fat-free mass compared to body fat. You may not always get every answer you ...

Smart scales track changes in your muscle mass, body fat percentage and other health metrics — but how do smart scales work, and how accurate are they? When you purchase through links on our site, we ...

For decades, health experts have relied on body mass index (BMI), a ratio of weight to height, to classify people as underweight, normal weight, overweight or obese. But sometimes, you need more than ...

The first generation Body Scan checked 40 biomarkers, while the new model has 60, and even the press materials need a ...

The number on the scale doesn’t reveal everything about your health. In an era dominated by smartwatches and fitness apps, tracking health has never been easier—or more confusing. The sheer volume of ...

In Running for Weight Loss: Body Composition, Jennifer Brown and our experts explain: There are many factors that play a role ...

Setting realistic goals and tracking your progress are effective ways to reach a healthier weight. Setting and tracking your weight loss goals are powerful tools on your journey to meaningful, lasting ...