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 ...

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) ...

The test measures chloride levels in sweat. High levels indicate a possible diagnosis of CF. Chloride is an electrolyte essential for maintaining fluid balance and crucial for regulating salt and ...

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 ...

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 ...