Why Drinking Water Is Good For Your Joints Optimum Health Rehab Why Hydration Matters In Rehab and Function? Preventing Dehydration in Long Term Care Settings Bremo Pharmacy What to eat, drink, and avoid to increase joint fluid for dry knee joints? ACC English Hydration does far more than quench your thirst it helps your entire body function at its best. Drinking enough water each day supports temperature regulation, joint lubrication, nutrient delivery, brain performance, Summer heat doesn't just dehydrate your body, it can impact your joints too! When you don't drink enough water, the lubrication in your joints (synovial fluid) can reduce, leading to stiffness, discomfort,