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Heavy drinking increases risk of earlier, more severe brain bleeds, study finds.
A new study published in Neurology on November 5, 2025, links heavy alcohol use to earlier and more severe bleeding strokes, specifically intracerebral hemorrhages.
Researchers found that people who drank three or more standard drinks daily experienced strokes about 11 years earlier—on average at age 64—compared to non-heavy drinkers at age 75.
Their brain bleeds were 70% larger, more likely to occur in deep brain areas or spread into fluid-filled spaces, and associated with greater small vessel disease, higher blood pressure, and lower platelet counts.
Even two drinks per day was linked to earlier onset.
The findings suggest heavy drinking may accelerate brain vessel damage and worsen stroke outcomes, though the study cannot prove causation due to self-reported data and limited diversity.
Experts recommend limiting alcohol to reduce stroke risk and protect long-term brain health.
El consumo excesivo de alcohol aumenta el riesgo de hemorragias cerebrales más tempranas y graves, según el estudio.