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Small amounts of alcohol increase risk of atrial fibrillation, study finds

BMJ 2016; 354 doi: https://doi.org/10.1136/bmj.i5041 (Published 19 September 2016) Cite this as: BMJ 2016;354:i5041
  1. Anne Gulland
  1. London

Regularly drinking even small amounts of alcohol could lead to an enlarged atrium, increasing the risk of atrial fibrillation, a study in the Journal of the American Heart Association has found.1

Although alcohol consumption has been associated with atrial fibrillation in several large epidemiological studies, the exact mechanism behind the link is unknown.

Researchers examined the link between cumulative alcohol consumption and the risk of atrial fibrillation in 5220 Framingham Heart Study participants, whose median age was 56.3 years and 54% of whom were women. Researchers …

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