Facebook post by University of Helsinki

To minimise the risk of fatal cerebral haemorrhage, quit smoking or never start the habit in the first place. Smoking most likely causes a significant share of all cases of subarachnoid haemorrhage, the most fatal type of cerebrovascular disturbances, found a Finnish study.
A direct link between smoking and fatal brain haemorrhage demonstrated by a Finnish study | University of Helsinki l.facebook.com

direct link between smoking and fatal brain haemorrhage found