Osteoporosis is a bone disease.
regular intake of calcium rich food and calcium supplement along with vitamin D3.
many a few are arthritus, osteoarthitus, osteoporois, tumors,cancer,deformities,etc
well i have nothing else to do. sooo the diseases of the skeletal system would be brittle which cause lack of calcium,Bone Cancer of cousre,Arthritis causes joints to u know like hurt,osteoporois loss of bone tissue,sprians,injusy or the tissue that covers joints,kyphosishunchback forward bending of spine, scoliosis side to side curve spin. OMG this is boring ,Later