WASHINGTON (dpa-AFX) – A study published in the Journal of the American Heart Association finds that drinking several cups of coffee daily could slow cognitive decline in people with atrial fibrillation, a commonly observed heart rhythm disorder in adults.
“There are many myths circulating, but our study found no reason to discourage or prohibit a patient with atrial fibrillation from drinking coffee. On the contrary, we would tell them: 'Take advantage of it, it might even benefit you!' says Jurg Beer, lead author and professor of medicine and hematology at the University of Zurich in Switzerland.
The study involved 2,400 people, integrated between 2014 and 2017, in Switzerland, and diagnosed with atrial fibrillation. Participants answered questions about their caffeine intake over the past year and took cognitive assessments.
“There was a very clear and consistent association between increased coffee consumption and better scores on several sophisticated cognitive tests,” Beer continues.
“Inflammatory indicators decreased with higher coffee consumption, an association that remained valid after accounting for variables such as age, gender, body mass index, smoking status, activity physical and a history of stroke. »
The research team noted higher cognitive scores in people who consumed large amounts of coffee. Results for speed of processing, visual-motor coordination and attention increased by 11% in coffee drinkers compared to non-drinkers.
“Other studies have shown that coffee has cognitive enhancing functions in general. However, this is not specific to the atrial fibrillation population. We cannot conclude that coffee prevents long-term cognitive decline,” warns Jose Joglar, professor of internal medicine at UT Southwestern Medical Center in Dallas.
“Coffee does not appear to make atrial fibrillation worse, so there is no need to stop drinking it. However, we cannot say that starting to drink coffee would prevent atrial fibrillation or cognitive decline in the long term. »
Researchers agree that at least 5 to 10 years of follow-up is necessary to determine significant cognitive decline in participants.
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