Scientists say perspiration might hold the key to detecting everything from diabetes to Parkinson’s disease without a single needle stick. Research reveals how sweat analysis is rapidly evolving from ...

Nix, an American biosensor development company with goals of "changing the way humans practice healthcare by empowering people to make decisions informed by their personal biology", has today unveiled ...

If you wanted to measure your heart rate or step count during exercise, you would use a fitness tracker. But what if you wanted a device to tell you when when you need to drink more water or should ...

All products featured on GQ are independently selected by GQ editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. Nothing gets me sweatier ...

Many medical tests require blood drawn with a needle. But as NPR's Joe Palca reports, some engineers in California have turned to another bodily fluid for doing these tests - sweat. JOE PALCA, BYLINE: ...

Athletes always need to be conscientious of their hydration, and those playing endurance sports like tennis require even more attention to this detail. As little as a 2.5% loss of bodyweight through ...