Sweat can be as helpful as blood in checking on health. Doctors already use it for drug tests and insights on diseases like cystic fibrosis. But sweat has its limits – largely because there’s only so ...

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 ...