Coffee does not cause cardiac arrhythmias

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Does coffee cause cardiac arrhythmias? Based on a study, US scientists claim exactly the opposite: Coffee would even reduce the risk of cardiac rhythm disorders.

(05/17/2010) Many people believe that coffee leads to cardiac arrhythmias. Patients who suffer from arrhythmias of the heart therefore reduce their coffee consumption. But Professor Arthur Klatsky from Oakland says there is no reason to restrict coffee consumption and explained this on the basis of a recently published study at the congress of the "American Heart Association".

A total of 130,000 people of both sexes were observed in a long-term study. The question was how often are patients with cardiac arrhythmias in connection with Kaffee Kosum admitted to hospital? The results showed exactly the opposite, as the scientists explained. Regular consumption of coffee does not lead to an increased risk of cardiac arrhythmias. On the contrary: those who drink coffee regularly suffer less from cardiac arrhythmias.

The results in detail: Those who drank at least four cups of coffee per day among the test subjects had an 18 percent lower risk of cardiac arrhythmias. Those who drank three cups a day had a relative risk reduction of around seven percent. 2.6 percent of the study participants were treated in a clinic for cardiac arrhythmias. Atrial fibrillation was found in around half of the patients.

The scientists were unable to clearly prove why coffee protects against cardiac arrhythmias. However, the doctors suspect that the caffeine could inhibit the body's own substance adenosine. Adenosine is responsible for the transmission of electrical impulses in the body. In general, however, it cannot be proven that coffee protects against cardiovascular diseases such as a heart attack. Cardiovascular patients should discuss coffee consumption with their doctor in detail. (sb)

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Video: The Effect Of Caffeine On Your Heart. Earth Lab

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