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Cigarette smoking causes brain shrinkage, according to a new study. Loss in brain volume also raises the risk of cognitive decline, dementia, and Alzheimer’s. Smoking cessation can help stop brain shrinkage, but it cannot be reversed.

United statesRobert millerEd bock gettyLauraj bierutDouglas trinhWashington university school of medicineWashumed health behavior research centerDrug administrationWashington university schoolBehavior research centerBiological psychiatryGlobal openUnited kingdomHealthy brain clinicLong beachMedical news today