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 ...

The single most important concept is that “Athletic” and “Muscular” aren’t the same thing. As fitness culture became mainstream (through Instagram, CrossFit, and gym culture), the two terms started to ...

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 ...

Data sources PubMed, Web of Science, Embase and SportDiscus. Eligibility criteria Inclusion criteria comprised studies of transgender individuals comparing body composition or physical fitness ...