38 Benefits of Full Body Massage You Still Don’t Know 9. Improves digestion. Full body massage can help to improve digestive system in many ways. It stimulate the parasympathetic response that affect the rest and digest response, it also stimulate the peristalsis (movement of the intestines) which can relieve some digestive problem such as constipation. Moreover, full body massage can improve nutrients absorption by promoting the releasing of digestive hormones.