title: Poor bone health costs lives. Half of Americans 50 and older may be at risk for fractures. Here's what you can do about it.
mesh_terms: D000368:Aged; D002136:Calcium, Dietary / Q000008:administration & dosage; D050723:Fractures, Bone / Q000209:etiology / Q000517:prevention & control*; D006801:Humans; D008875:Middle Aged; D010024:Osteoporosis / Q000150:complications / Q000517:prevention & control*; D014807:Vitamin D / Q000008:administration & dosage
chemical_list: D002136:Calcium, Dietary; D014807:Vitamin D