Light-to-moderate alcohol consumption linked to reduced stroke risk

Light-to-moderate alcohol consumption linked to reduced stroke risk

Light-to-moderate consumption of alcohol reduces risk of ischemic stroke, a fresh review of more than two dozen previous studies suggested.

According to the American Stroke Association, ischemic stroke accounts for nearly 87 per cent of all cases of the condition in the United States. In the new study, researchers found that light and moderate alcohol consumption reduced ischemic stroke risk by 10 percent and 8 per cent, respectively.

Lead author Susanna Larsson, a professor at Sweden’s Karolinska Institute, however also cautioned that “heavy” consumption of alcohol or more than 4 drinks a day could significantly increase risk of all stroke types.

Speaking on the topic, Larsson added, “Heavy drinking was significantly associated with a respectively 14%, 67%, and 82% increased risk of ischemic stroke, intracerebral hemorrhage, and subarachnoid hemorrhage.”

Ischemic stroke occurs due to a blockage in a blood vessel that supplies blood to the brain, while hemorrhagic stroke stems from a weakened blood vessel leak. Hemorrhagic stroke accounts for around 13 per cent of the total cases.

The encouraging findings of the 27-study review were detailed in the most recent edition of the journal BMC Medicine.


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