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- Title
Alcohol intake and blood pressure: a systematic review implementing a Mendelian randomization approach.
- Authors
Chen, Lina; Smith, George Davey; Harbord, Roger M; Lewis, Sarah J
- Abstract
Alcohol has been reported to be a common and modifiable risk factor for hypertension. However, observational studies are subject to confounding by other behavioural and sociodemographic factors, while clinical trials are difficult to implement and have limited follow-up time. Mendelian randomization can provide robust evidence on the nature of this association by use of a common polymorphism in aldehyde dehydrogenase 2 (ALDH2) as a surrogate for measuring alcohol consumption. ALDH2 encodes a major enzyme involved in alcohol metabolism. Individuals homozygous for the null variant (*2*2) experience adverse symptoms when drinking alcohol and consequently drink considerably less alcohol than wild-type homozygotes (*1*1) or heterozygotes. We hypothesise that this polymorphism may influence the risk of hypertension by affecting alcohol drinking behaviour.
- Publication
PLoS medicine, 2008, Vol 5, Issue 3, pe52
- ISSN
1549-1676
- Publication type
Journal Article
- DOI
10.1371/journal.pmed.0050052