title: Sympathetic nervous system and aging in man.
mesh_terms: D000293:Adolescent; D000313:Adrenal Medulla / Q000502:physiology; D000328:Adult; D000368:Aged; D000375:Aging; D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D002648:Child; D002940:Circadian Rhythm; D003430:Cross-Sectional Studies; D004812:Epidemiologic Methods; D005260:Female; D006339:Heart Rate / Q000187:drug effects; D006439:Hemodynamics; D006801:Humans; D007545:Isoproterenol; D008137:Longitudinal Studies; D008297:Male; D008875:Middle Aged; D008954:Models, Biological; D009638:Norepinephrine / Q000097:blood / Q000502:physiology; D011187:Posture; D011433:Propranolol; D011943:Receptors, Adrenergic, beta / Q000502:physiology; D012016:Reference Values; D012893:Sleep Wake Disorders / Q000503:physiopathology; D013564:Sympathetic Nervous System / Q000502:physiology*
chemical_list: D011943:Receptors, Adrenergic, beta; D011433:Propranolol; D007545:Isoproterenol; D009638:Norepinephrine