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In the latest study published in the medical journal JAMA Internal Medicine, scientists found that people who regularly consume coffee have a lower risk of developing atrial fibrillation than those who drink less.
Accordingly, researchers surveyed the coffee consumption patterns of 386,000 people over a three-year period and compared them to the incidence of heart rhythm disorders (including atrial fibrillation).
According to Dr. Gregory Marcus, a professor of cardiology at the University of California San Francisco, after considering factors such as lifestyle, health status, and underlying conditions that can lead to heart rhythm disorders, the survey concluded that each cup of coffee reduces the risk of heart rhythm problems by 3% for regular drinkers.
The research team also examined the gene associated with rapid heartbeat after drinking coffee. Specifically, the CYP1A2 gene, also known as the "coffee gene," is involved in regular coffee consumption. Individuals who possess this gene can drink coffee without experiencing adverse effects.
However, when this gene segment is mutated, the body's ability to metabolize caffeine slows down, causing caffeine intoxication to last longer or become more pronounced.
In this study, scientists found no link between caffeine metabolism and the risk of heart rhythm disorders.
The theory that coffee causes heart rhythm disturbances is derived from small, outdated studies that focused only on the male body, Dr. Marcus and his research team point out.
Modern science has a different perspective on coffee. In fact, current scientific studies show that regular coffee consumption offers more benefits than harms to the human body.
These benefits include a reduced risk of cancer, diabetes, cardiovascular disease, and other serious illnesses.
