[Age-related change in the brain and calendar age].
D000328:Adult; D000368:Aged; D000375:Aging; D000544:Alzheimer Disease / Q000175:diagnosis; D001921:Brain / Q000473:pathology / Q000502:physiology*; D002560:Cerebrovascular Circulation; D005260:Female; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D008297:Male; D008875:Middle Aged; D010101:Oxygen Consumption; D012907:Smoking