title: The secondary dementias of middle and later life.
mesh_terms: D000368:Aged; D001361:Avitaminosis / Q000150:complications; D001930:Brain Injuries / Q000150:complications; D002493:Central Nervous System Diseases / Q000150:complications; D003704:Dementia / Q000175:diagnosis / Q000209:etiology*; D004700:Endocrine System Diseases / Q000150:complications; D006801:Humans; D008875:Middle Aged; D014652:Vascular Diseases / Q000150:complications