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Eight or more drinks per week linked to brain lesions

MBARGOED FOR RELEASE UNTIL 4 PM ET, April 09, 2025 How does heavy drinking affect the brain? Eight or more drinks per week linked to signs of injury in the brain MINNEAPOLIS – Heavy drinkers who have eight or more alcoholic drinks per week have an increased risk of brain lesions called hyaline arteriolosclerosis, signs of brain injury that are associated with memory and thinking problems, according to a study published on April 9, 2025, online in Neurology®, the medical journal of the American Academy of Neurology (AAN). The study does not prove that heavy drinking causes brain injury; it only shows an association.

Press Release MINNEAPOLIS – Heavy drinkers who have eight or more alcoholic drinks per week have an increased risk of brain lesions called hyaline arteriolosclerosis, signs of brain injury that are associated with memory and thinking problems, according to a study published on April 9, 2025, online in Neurology ®, the medical journal of the American Academy of Neurology(AAN). Our research shows that heavy alcohol consumption is damaging to the brain, which can lead to memory and thinking problems." "Understanding these effects is crucial for public health awareness and continuing to implement preventive measures to reduce heavy drinking."

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