THE FACTS

Medical experts have been saying for years that caffeine acts as a potent diuretic. Consume too many caffeinated beverages, and you end up drinking yourself into dehydration.

But research has not confirmed that notion. Most studies have found that in moderate amounts, caffeine has only mild diuretic effects  much like water.

Image Credit... Leif Parsons

One report, by a scientist at the University of Connecticut who reviewed 10 previous studies, appeared in June 2002 in The International Journal of Sport Nutrition and Exercise Metabolism.