The health hazards of sitting Organ damage     (heart disease, overproductive pancreas, colon cancer) Muscle degeneration     (mushy abs, tight hips, limp glutes) Leg disorders     (poor circulation in legs, soft bones) Trouble at the top     (foggy brain, strained neck, sore shoulders and back) Bad back     (inflexible spine, disk damage) Don’t just sit there! (PDF)