That morning cup of coffee or espresso drink may not only be safe for people with atrial fibrillation (Afib) and other heart arrhythmias, it just may reduce arrhythmia frequency. No wonder it is one of the most widely used drugs on the planet. The authors do not think caffeine causes most abnormal heart rhythms. Kistler's group found that, among more than 228,000 patients, drinking coffee cut the frequency of episodes of atrial fibrillation by 6 percent.
But Kistler's team did find that patients with heart conditions should avoid caffeinated energy drinks. Sunshine Actually Makes You Happy In a recent study, people reported more mental distress when the days were shorter and there was less sunshine. Mike Kenneally/Unsplash Comment Share Tweet Share E-mail The effects of beverages such as coffee and tea are widely studied but still not clearly understood.
Do not reproduce without permission. The authors also point out that for those with existing heart conditions, energy drinks should be avoided. New York is the greatest three-day town on earth. It acts as a stimulant to the central nervous system and works to block the effects of adenosine -- a chemical that causes atrial fibrillation (AFib). Energy drinks typically contain a lot more caffeine than coffee, up to 500 mg per drink.