We’ve all been told time and again that drinking sufficient water is the one-stop solution to numerous health problems. Headache? Drink water. Weakness? Drink water. Want to lose weight? Drink up!

While water is really nothing short of a magic cure, there are things we must know before gulping more and more glasses of it. When do you know you are dehydrated? Is drinking RO water bad for you? What happens if you drink too much water?

Take this week's FIT Quiz to find out.