title: Vitamin D, outdoor happiness, and the meaning of deficiency.
authors.forename: Dariush
authors.initials: D
authors.lastname: Mozaffarian
mesh_terms: D002318:Cardiovascular Diseases / Q000097:blood / Q000453:epidemiology / Q000209:etiology*; D006801:Humans; D012307:Risk Factors; D014807:Vitamin D / Q000097:blood*; D014808:Vitamin D Deficiency / Q000097:blood / Q000150:complications*
chemical_list: D014807:Vitamin D