title: Vitamin D: key to muscle and bone strength, independence.  A deficiency in vitamin D could impair your mobility and activities of daily living.
mesh_terms: D004032:Diet / Q000592:standards*; D019587:Dietary Supplements / Q000592:standards; D005527:Food, Fortified / Q000592:standards; D006801:Humans; D008137:Longitudinal Studies; D018908:Muscle Weakness / Q000188:drug therapy / Q000209:etiology* / Q000517:prevention & control; D009426:Netherlands; D013472:Sunlight; D014807:Vitamin D / Q000008:administration & dosage / Q000502:physiology*; D014808:Vitamin D Deficiency / Q000150:complications* / Q000188:drug therapy
chemical_list: D014807:Vitamin D