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 Functions of Water: 7 Health Benefits How does water help lubricate joints and reduce friction? Did you know that water helps to lubricate and cushion your joints, spinal cord and tissues? This is particularly important if you regularly engage in activities that place pressure on your joints.