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A population-based prospective study in Bordeaux, France has reported an inverse association between wine consumption and the risk of dementia. In this study, Monique Breteler et al. (2002) observed that light to moderate alcohol consumption was associated with a lower risk of dementia and examined whether the effect varied by type of alcoholic beverage.
Individuals taking part in the Rotterdam Study, a prospective population-based study of 7983 individuals aged 55 years and older, were studied. All participants who did not have dementia between 1990 and 1993, and who had complete data on alcohol consumption were analysed in order to compare the risk of developing dementia between individuals who regularly consumed alcohol and those who did not.
The average follow-up was six years. During this period, 197 individuals developed dementia (146 Alzheimer’s disease, 29 vascular dementia and 22 other dementia). Light to moderate alcohol consumption (one to three drinks per day) was
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