Aging and the nervous system.
D000375:Aging; D001284:Atrophy; D001927:Brain Diseases; D003072:Cognition Disorders / Q000209:etiology; D003638:Deafness / Q000209:etiology; D005128:Eye Diseases / Q000209:etiology; D005132:Eye Manifestations; D005684:Gait; D006801:Humans; D006948:Hyperkinesis / Q000209:etiology; D009135:Muscular Diseases / Q000209:etiology; D009422:Nervous System Diseases / Q000209:etiology*; D009461:Neurologic Manifestations; D000857:Olfaction Disorders / Q000209:etiology; D010465:Perception; D012018:Reflex; D012677:Sensation; D012903:Smell; D013064:Speech Disorders / Q000209:etiology; D013651:Taste Disorders / Q000209:etiology; D014717:Vertigo / Q000209:etiology