title: Seasonal affective disorder and phototherapy.
mesh_terms: D000328:Adult; D001835:Body Weight; D004569:Electroencephalography; D005260:Female; D006801:Humans; D008297:Male; D008550:Melatonin / Q000097:blood; D019964:Mood Disorders / Q000503:physiopathology / Q000628:therapy*; D010789:Phototherapy; D012621:Seasons; D012895:Sleep, REM
chemical_list: D008550:Melatonin