An athlete's guide to hydration Did you know that drinking water is even more important this time of year as the weather gets warmer? Ensure you are staying hydrated this summer by drinking Mountains on Tap! Water Cartilage is 85 percent water. Water keeps the cartilage around our joints hydrated and supple, ensuring that our joints stay lubricated. It also protects our spinal cord and tissues, keeping us healthy Where does water go when you drink it? Aquasana