title: The geographic variation in the prevalence of attention-deficit/hyperactivity disorder in the United States is likely due to geographic variations of solar ultraviolet B doses and race.
authors.affiliation: Sunlight, Nutrition, and Health Research Center, San Francisco, California. Electronic address: wbgrant@infionline.net.
authors.forename: William B
authors.initials: WB
authors.lastname: Grant
mesh_terms: D001289:Attention Deficit Disorder with Hyperactivity / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D012993:Solar Energy