title: A vitamin that promotes fractures.
mesh_terms: D019587:Dietary Supplements; D005500:Follow-Up Studies; D050723:Fractures, Bone / Q000097:blood / Q000209:etiology*; D006620:Hip Fractures / Q000097:blood / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D012306:Risk; D014801:Vitamin A / Q000009:adverse effects / Q000097:blood*
chemical_list: D014801:Vitamin A