Dr. Dana Cohen, author of the best-selling book, "Quench: Beat Fatigue, Drop Weight, and Heal Your Body Through the New Science of Optimum Hydration" (now available in paperback) dishes on the science underlying hydration’s relationship to health. How pervasive is the problem? How do you know if you’re dehydrated? Why thirst may not be a reliable indicator of hydration status; Is it possible to overdo water consumption? Why the “8 glasses per day” dictum may not be right; What does it mean to “eat your water”? Dr. Cohen relates case studies showing where hydration was the key to resolving enigmatic complaints; Studies show that dehydration alters brain structure and hampers task performance; New research explains how proper hydration may facilitate weight loss; Do caffeinated beverages count? What about alcohol? And sugary drinks? What are some practical ways to up your hydration quotient? What about alkaline water? Hydrogen water? “Structured water”?