Dementia risk rises with daily cigarette count, study finds

A new study quantifies a dose-response relationship between smoking intensity and dementia risk, with a 16% increase for 10 cigarettes per day and 34% for 20, relative to never-smokers. The findings reinforce established evidence on smoking as a modifiable risk factor, though causality and confounding remain considerations. This adds to public-health pressure for smoking cessation policies.

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