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Smoking shrinks the brain and drives up Alzheimer’s risk, new study finds

Cigarettes do ‘terrible things’ to cognitive health, says one neurological surgeon

Smoking is notorious for causing damage to the lungs — but a recent study confirmed that it’s also harmful to the brain.

Researchers from the Washington University School of Medicine (WashUMed) in St. Louis, Missouri, analyzed the brain scans, smoking history and genetic risk of 32,094 participants of European descent from the UK Biobank database.

Those who smoked one pack daily were found to have decreased brain volume compared to those who never smoked or had smoked fewer than 100 total cigarettes.

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