Why Drink Water? How Water and Health Are Connected

By Rachael Moeller Gorman, "Liquid Assets," July/August 2011

7 health reasons to hydrate: Find out how water impacts your health and your body, from water and skin to water and heart.

More Information on Hydration
How to Hydrate: A Special Report that Answers the Question Why Should I Drink Water
BPA-Free Glass Water Bottles
Bottled Water vs. Tap

Bloodstream

Your body releases heat by expanding blood vessels close to the skin’s surface (this is why your face gets red during exercise), resulting in more blood flow and more heat dissipated into the air. When you’re dehydrated, however, it takes a higher environmental temperature to trigger blood vessels to widen, so you stay hotter.

Next: How Being Hydrated Affects Your Limbs »