Add Yahoo as a preferred source to see more of our stories on Google. Whether you just did a hard workout (and may or may not have had enough water) or you were in the middle of peaceful slumber, a ...

Medically reviewed by Oluseun Olufade, MD Dehydration and electrolyte imbalances can cause leg cramps.Pregnancy, certain ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. January 5, 2015 Add as ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Muscle cramps are a total pain. And next time you feel one cropping up after a long run or heavyweight ...