Modeling isn’t just a matter of strutting your stuff on the catwalk—it also means that you need mathematical precision when it comes to taking your body measurements. Having precise measurements is ...

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.

Your body is made of a lot of things and so it is important to know how it works for you to set specific goals. If you are about to hit the gym, chances are, you wanna know how your body reacts to ...

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 ...

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 ...

Move over, BMI. It’s time to get SAD. This article first appeared in The Checkup, MIT Technology Review’s weekly biotech newsletter. To receive it in your inbox every Thursday, and read articles like ...