title: Preventing Osteoporosis.
mesh_terms: D000368:Aged; D015519:Bone Density; D001842:Bone and Bones; D002118:Calcium / Q000627:therapeutic use*; D015444:Exercise; D005260:Female; D006801:Humans; D010024:Osteoporosis / Q000517:prevention & control*; D014807:Vitamin D / Q000627:therapeutic use*
chemical_list: D014807:Vitamin D; D002118:Calcium