28 April 2022 In Dementia
AIM: This study aimed to investigate the association between alcohol consumption and the risk of Alzheimer's disease (AD). METHODS: PubMed and Web of Science databases were systematically searched as of 1 September 2019. Relative risk and 95% CI were used to evaluate the association between alcohol consumption and AD risk. Subgroup analyses based on the type of alcohol, ethnicity, study design and sex were carried out. An alcohol dose-response meta-analysis was carried out. RESULTS: A total of 13 studies were included in the quantitative synthesis, and six were used in the dose-response meta-analysis. Compared with non-drinkers, individuals who drank had a lower risk of AD (relative risk 0.68, 95% CI 0.53-0.87; I(2) = 87.9%, P

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