It is recommended to do sport if you have Addison's disease. It should be moderate exercise and monitored to limit the physical stress, and because the disease does not produce cortisol extra to respond to the demands of physical stress and can cause hypoglycaemia, dehydration, or electrolyte imbalance. Due to the lack of vitamin D, the lack of cortisol, natural androgens and other factors have a high risk of developing osteoporosis. Anaerobic exercise can reduce the risk of fractures. Strengthening the muscles will also help to avoid breakage of bones.