The point of hydration is to increase blood volume and lower body temperature. Because of this, hydration expert Doug Casa says chilled fluids are more effective than those at room temperature. There are plenty of containers on the market designed to keep fluid temperature low. Cold slushy drinks have also become popular with athletes, and Casa says studies have proved their ability to lower body temperature and improve performance.
Credit: Cristian Baitg / Getty Images
Powered By ZergNet
Gear of the Year
102 of the Best Tools, Toys & Tech
Plus: The Woman Who Bails Out the NFL's Bad Boys
ON NEWSSTANDS NOW
Joby Ogwyn: The Man Who Fell to Earth
Life Advice from John Cleese
Sign up to receive the Men’s Journal newsletter and special offers from MJ and its marketing partners.