Joint movement depends on synovial fluid, a slippery liquid that reduces friction and nourishes cartilage. This fluid is constantly renewed through joint movement and adequate water availability. When hydration is reduced, synovial Cohen Did you know dehydration can actually worsen joint pain? When you don't drink enough water, your body produces less synovial fluidthe natural lubricant that cushions your joints. Less lubrication 10 Natural Remedies to Relieve Arthritis in Hands 15 Home Remedies for Knee Pain Relief The Orthopedic Clinic