Does Heavy Coffee Consumption Up AF Risk?

Does Heavy Coffee Consumption Up AF Risk?
Does Heavy Coffee Consumption Up AF Risk?

(HealthDay News) — New research suggests that drinking coffee doesn't seem to up the odds of atrial fibrillation. The findings were published online September 23 in BMC Medicine.

The study included 76,475 people who reported their coffee consumption in 1997. Their average coffee consumption was three cups a day. The researchers followed the participants' health for the next 12 years. They also reviewed findings from four previous studies that followed 248,910 people for up to 12 years. All studies were done in Sweden or the United States.

The investigators found no link between drinking coffee and atrial fibrillation in any of the studies. That was true even among those with the highest levels of coffee consumption.

"This is the largest prospective study to date on the association between coffee consumption and risk of atrial fibrillation. We find no evidence that high consumption of coffee increases the risk of atrial fibrillation," study author Susanna Larsson, PhD, said in a journal news release. Larsson is an associate professor of epidemiology at the Karolinska Institute in Stockholm.

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