Twenty-six kilometres into this year’s London Marathon, I had to stop to be sick on the sidelines. I’ll spare the unpleasant details, but let’s just say it resulted in a very long (and tearful) ...

I've spent the last couple of days on a fitness retreat with budget behemoth Amazfit, whose Whoop-dupe Helio Strap I love. But I've been at this fitness retreat for a different reason — testing the ...

From glucose tracking to toxin exposure detection, scientists show how sweat could rival blood as a diagnostic resource, if technology and standardization advance fast enough. Study: Sweat as a ...