Functions of Water: 7 Health Benefits Lubrication in the Body Did you know that water protects your tissues, spinal cord, and joints by acting as a lubricant and cushion? Making sure you are consuming plenty of water will lessen discomfort cause by Healthy joints need more than exercise, they need hydration! Drinking enough water helps cushion your joints, eases movement, and prevents stiffness. Keep moving comfortably by staying properly How does water help lubricate joints and reduce friction? Water of Life EarthDate