That means they can, for the most part, drink coffee without ill effect.īut when that gene mutates, the rate at which the body metabolizes coffee might slow down, and the coffee high could last longer or be felt at a greater rate. People with a fully functioning gene – which can be affected by lifestyle habits such as smoking – metabolize coffee at a normal rate. The CYP1A2 gene, sometimes called the “coffee gene,” aids in the metabolism of caffeine. The researchers also looked at genes known to be associated with coffee jitters. Gregory Marcus, a professor in the division of cardiology at the University of California San Francisco, in the study. If you have other symptoms like dizziness or passing out when you have heart palpitations, that could be a sign of a serious medical problem. But heart palpitations are normally harmless. The study, published Monday in JAMA Internal Medicine, analyzed coffee consumption by more than 386,000 people over a three-year period and compared that with rates of cardiac arrhythmia, which might include atrial fibrillation.Īfter adjusting for demographics, lifestyle habits and diseases and conditions that might cause heart flutters, “each additional cup of habitual coffee consumed was associated with a 3% lower risk of incident arrhythmia,” wrote corresponding author and arrhythmia specialist Dr. Heart palpitations (feeling like your heart is racing or pounding) can be unsettling because you usually aren’t aware of your heartbeat.
In fact, a habitual coffee habit was associated with a lower risk of developing an arrhythmia, such as atrial fibrillation in which the heart races, or flutters in the chest, the study found. Audtakorn Sutarmjam/EyeEm/Shutterstockīlack coffee can be good for your heart, studies show (Heart palpitations caused by a fever do not mean the infection that caused the fever has invaded your heart, he adds.
Watch Now.Woman on the bed with a book and cup of coffee. A fever, like stimulants, can signal the release of the hormone adrenaline, which can raise your heart rate and potentially be the reason why you cough when your heart flutters, Dr.