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 ...

A sweat test at Gatorade's sports science lab for elite athletes revealed I wasn't consuming enough water, electrolytes, or ...

I thought I had hydration sorted – drink water, with an electrolyte, and I was set. But after trying a sweat test from experts at Precision Fuel and Hydration, I realised I’d been overlooking a key ...

The conventional wisdom about hydration seems straightforward: drink eight glasses of water daily and perhaps consume a sports drink during intense exercise. Yet emerging research shows this ...

This article is brought to you by our exclusive subscriber partnership with our sister title USA Today, and has been written by our American colleagues. It does not necessarily reflect the view of The ...

We’ve been talking about the idea of tracking hydration for a while now – and, no, not the kind that means manually inputting how many cups of water you drink in a day. Instead, we mean ...

For the fastest way to join Tom's Guide Club enter your email below. We'll send you a confirmation and sign you up to our newsletter to keep you updated on all the latest news.