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A member asked:
What is the most common cause of a brain aneurysm?
A doctor has provided 1 answer
Cause unknown: The vast majority of intracranial aneurysms occur sporadically and the cause is unknown. It is likely that there is a genetic predisposition of certain people that have a weakness in the construction of the arterial wall that overtime bulges out and forms an aneurysm.
Answered 3/9/2013
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