Five cups of coffee a day reduced the risk of arrhythmias by 15%

Scientists at the University of California at San Francisco conducted a study and found that people who drink coffee regularly are less likely to have cardiac diseases: they are much less likely to develop arrhythmias. The results were presented at an online conference at Heart Rhythm Society 2020, reports Naked Science.

The researchers studied the data on heart health in 357,022 patients from UK Biobank. Over the course of five years and three months of observation, 8159 arrhythmias were reported, including 6999 atrial fibrillation, 890 at supraventricular tachycardia, 459 at ventricular tachycardia and 385 at ventricular extrasystole.

A positive correlation was found between coffee consumption and a lower probability of arrhythmias. In people who drank one or two cups a day, the risk of heart rhythm disorders was reduced by 10% compared to those who did not drink at all. Three to four cups of coffee reduced this risk by 14% and five or more cups by 15%. This was common to all subtypes of arrhythmias except ventricular extrasystole.

These results are confirmed by an earlier study at the University of Düsseldorf, which also showed that four cups of coffee a day is the optimum dose that protects the heart from pathologies.

The authors believe that it is worth reconsidering the established views of experts on the optimal daily dose of coffee and the risks of consumption of this drink for the cardiovascular system.

June 22, 2020, 10:43 a.m.

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