title: Osteoporosis.
mesh_terms: D000368:Aged; D002118:Calcium / Q000172:deficiency; D004967:Estrogens / Q000009:adverse effects / Q000627:therapeutic use; D005260:Female; D005459:Fluorides / Q000627:therapeutic use; D006801:Humans; D008297:Male; D010024:Osteoporosis / Q000188:drug therapy* / Q000209:etiology / Q000517:prevention & control; D005082:Physical Exertion; D014807:Vitamin D / Q000627:therapeutic use
chemical_list: D004967:Estrogens; D014807:Vitamin D; D005459:Fluorides; D002118:Calcium