England face an anxious wait over Marc Guehi’s fitness ahead of Saturday’s World Cup quarter-final against Norway after the defender picked up a slight hamstring injury in the dramatic 3-2 last-16 win ...

Doctor Amir Khan said people are being bombarded with advice to load up rather than just drink water to stay hydrated ...

To survive the summer, it helps to understand why running or cycling in hot weather feels so fundamentally miserable. It ...

After a few weeks, these temperatures will be your new normal—and you may enjoy a small performance boost when the weather ...

Hydrogels are squishy, biofriendly materials made mostly of water and a bit of polymer. The Jell-O-like substance is ...

A typical week for me involves everything from high-intensity strength training to cycling and Pilates — and while I’ve found ...

Switzerland coach Murat Yakin faces an anxious wait to see if ‌three of his most influential players will be fit for their ...

Millions of people around the world wear smart rings and fitness trackers to keep tabs on their sleep, workouts, heart rate ...

Manager Thomas Tuchel continues to sweat over the fitness of Reece James ahead of England’s daunting test against co-hosts ...

Water is always the foundation. I want to start there because electrolyte powders, tablets and ready-to-drinks are everywhere ...

Much of the U.S. is grappling with severely high temperatures and choking humidity this week. Here's what that means for your ...

While humans evolved to perform routine endurance activity, recent secular trends in the United States and globally have resulted in a dramatic rise in the amount of time spent inactive in both ...