It's not just water that's important for hydration. Foods are hydrating too. See our ranking of over 5,000 foods by water content.

Urinary biomarkers are some of the most commonly used markers of hydration status. That being said, the science of hydration is complex....

Intense physical exercise stresses the body. This stress leads to adaptations that improve your ability to perform athletically. But,...

It's hard to overstate the importance of hydration for workplace safety. A review of 33 studies and over 13,000 workers identified 35% of...