A World Cup referee chugged it during a game. Here’s what scientists say about whether it works.

If you’re feeling sore from a run or gym session, you might wonder whether it’s better to push through or give your body a rest. This achy or stiff feeling in your muscles after exercise is known as ...

At some point or another, we’ve all experienced the acute, uncomfortable pain that is muscle cramp. Whether it’s during a run or – arguably worse – when you’re trying to get some post-run rest in bed, ...

If painful leg cramps have woken you up in the middle of the night, the condition can be both scary and confusing. You may think it’s due to the position you’re sleeping in — but there’s more to know ...

Beetroot juice (BJ), a nitrate-rich supplement, may enhance exercise performance, but its acute effects on anaerobic power and muscle oxygenation in football players are unclear. This study ...

You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or your foot that begins to spasm—sometimes for a few seconds, sometimes for ...