Levelheaded answers to light-headedness.
D000368:Aged; D001341:Autonomic Nervous System / Q000503:physiopathology; D002560:Cerebrovascular Circulation; D004244:Dizziness / Q000209:etiology* / Q000517:prevention & control; D004435:Eating; D006801:Humans; D007024:Hypotension, Orthostatic / Q000150:complications*; D008875:Middle Aged; D011187:Posture / Q000502:physiology