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.

Because knowledge is power when it comes to fitness.

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 ...

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 ...

Get insights beyond your weight to get the bigger picture of what’s going on in your body.

The RunStar 8E SmartScan Pro Body Fat Scale is a fabulous piece of kit for exercise geeks and fitness professionals. That said, beginners may find it overly complex. For some serious athletes, on the ...

I used to see bathroom scales as something you’d only pull out when you were interested in your weight. But after testing dozens of smart bathroom scales over the past few years, alongside fitness ...

My view of bathroom scales has shifted significantly since testing dozens of them for this review. I once associated them ...

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.