title: Headaches after 50: special considerations.
mesh_terms: D000367:Age Factors; D002908:Chronic Disease; D013700:Giant Cell Arteritis / Q000150:complications; D006261:Headache / Q000209:etiology*; D006408:Hematoma, Subdural / Q000150:complications; D006801:Humans; D008875:Middle Aged; D020521:Stroke / Q000150:complications