Smoking as a Risk Factor for Dementia and Cognitive Decline: A Meta-Analysis of Prospective Studies

14 Jun 2007Kaarin J. Anstey, Chwee von Sanden, Agus Salim and Richard O'Kearne

Findings showed that elderly smokers have increased risks of dementia and cognitive decline.

Meta Analysis
4 effects
7 years
43397 subjects

Reported Outcomes

VariablesOutcomeEffectLatency

Smoking Contaminant risk & protective factor
Smoking
Contaminant

Cognitive deficit Brain outcome

Notable Increase

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Smoking Contaminant risk & protective factor
Smoking
Contaminant

Alzheimer's disease Brain outcome

Strong Increase

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Smoking Contaminant risk & protective factor
Smoking
Contaminant

Cognitive Activity Brain outcome

Strong Decrease

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Smoking Contaminant risk & protective factor
Smoking
Contaminant

Dementia Brain outcome

Strong Increase

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