Good news for coffee lovers: 3 cups a day may benefit the heart
Studies, recently presented at the 71st Annual Scientific Session of the American College of Cardiology, revealed that drinking coffee — especially two to three cups a day — is not only associated with lower risks of heart disease and dangerous heart rhythms, but also with living longer.
Dr Peter Kistler, Professor and Head of Arrhythmia Research at Alfred Hospital and Baker Heart Institute in Melbourne, Australia, and lead author of the study, explained that the general impression of coffee is that it can raise heart rates, and that "drinking it can increase the risk of coronary heart disease." It leads to or exacerbates some heart problems.” At the same time, he explained that the statistical data in this regard “indicates that daily coffee consumption should not be discouraged.”
According to the details, Kistler and his team used data from the UK BioBank, a large-scale prospective database containing health information of more than half a million people who have been followed for at least 10 years.
The researchers looked at varying levels of coffee consumption ranging from up to a cup to more than six cups a day and its relationship to heart rhythm problems (arrhythmia);
Cardiovascular disease, including coronary artery disease, heart failure, and stroke, as well as overall and heart-related deaths among people with and without cardiovascular disease.
During this time, patients were grouped by the amount of coffee they reported drinking each day, and coffee drinking was assessed from questionnaires completed upon entry into the registry.
All in all, it can be said that they found no effect or, in many cases, a significant reduction in cardiovascular disease risk after controlling for exercise, alcohol, smoking, diabetes, and hypertension that can also play a role in heart health and longevity.
Dr Kistler said: 'Physicians generally have some apprehension that people with known cardiovascular disease or arrhythmias continue to drink coffee, so they often err on the side of caution and advise them to stop drinking it altogether due to concerns that it could lead to Serious heartbeat.
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"But our study shows that regular coffee consumption is safe and can be part of a healthy diet for people with heart disease."
And while two to three cups of coffee a day seems to be the most preferred overall, Kistler said people shouldn't increase their coffee intake, especially if it makes them feel anxious or uncomfortable.
He said: "There is a whole range of mechanisms by which coffee can reduce mortality and have positive effects on cardiovascular disease," noting that "coffee drinkers should feel reassured that they can continue to enjoy coffee even if they suffer from heart disease." Coffee is the most popular cognitive enhancer – it wakes you up, makes you mentally sharper and is a very important component of many people’s daily lives.”
It is worth noting that coffee beans actually contain more than 100 biologically active compounds.
These substances can help reduce oxidative stress and inflammation, improve insulin sensitivity, increase metabolism, inhibit intestinal absorption of fats, and block receptors known to be involved in abnormal heart rhythms.
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