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Smokers at risk of brain bleed

Smoking more than 20 cigarettes a day almost triples the chances of suffering a potentially fatal brain haemorrhage, research has shown.

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How smoking can increase the risk of brain bleed

  • In the short term, smoking thickens the blood and drives up blood pressure, both of which can raise the risk of a brain bleed, said the researchers.
  • But smoking also led to permanent changes to the structure of artery walls which may be more pronounced in heavy smokers.
  • Previous long term research has indicated that the risk of an aneurysm in former smokers disappears after 10 to 15 years.
  • However, these studies were considered too limited or small to draw reliable conclusions.

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