How many cups of coffee do you need to drink each day to protect your heart (and extend its shelf life) according to Science?

According to three new studies from the American College of Cardiology, drinking coffee on the one hand reduces the risk of heart disease and at the same time prolongs life expectancy.

Rest assured, drinking coffee is not related to the onset or worsening of heart disease, according to researchers at the American College of Cardiology. Coffee consumption – two or three cups a day – It can even protect your heart and prolong your life, whether you have heart disease or not.

On the same subject

Because coffee can make your heart beat faster, some people worry that drinking it can trigger or worsen certain heart problems. Hence the general medical advice to stop drinking coffee. But our data suggests that daily coffee consumption should not be discouraged, but should be included as part of a healthy diet for people with and without heart disease.Peter M. Kistler, lead author of the study, commented.

To reach their conclusions, the researchers used data from the UK Biobank, a large-scale database containing health information from more than 500,000 people followed for at least 10 years. They looked at the link between the number of cups drunk per day – ranging from one to six cups – and heart rhythm problems, cardiovascular disease (including coronary heart disease, heart failure and stroke), and total and cardiac death in people with or without cardiovascular disease. .

Between 10 and 15% less risk of developing coronary heart disease

The first study involved 382,535 people, with no known heart disease at the start of the study. The researchers wanted to see if consumption had anything to do with the onset of heart disease during the 10 years of follow-up. And in general, drinking two to three cups of coffee a day is associated with the biggest benefit: that would be reduced by 10 to 15% the risks of developing coronary artery disease, a heart rhythm problem or dying for any reason.

In a second study, researchers analyzed data from 34,279 people who had some form of cardiovascular disease at the start of the 10-year follow-up. And contrary to what one might think, the consumption of two or three cups of coffee a day was associated less likely to die compared to no coffee.

Doctors are generally apprehensive that people with known cardiovascular disease or arrhythmias should continue to drink coffee, so they are often cautious and advise them to stop drinking for fear of triggering dangerous heart rhythms.“explains Professor Kistler.

The proven benefits of coffee beans

In a third and final study, researchers wanted to examine the differences in the relationship between coffee and cardiovascular disease, depending on the form of coffee being drunk: instant or ground, caffeinated or decaffeinated. In fact, coffee beans contain more than 100 biologically active compounds: they can help reduce oxidative stress and inflammationimprove insulin sensitivity, stimulate metabolism or even block receptors known to be involved in abnormal heart rhythms, the researcher explains.

According to the study, lower mortality rates were observed for all types of coffee. Decaffeinated coffee did not show favorable effects against incident arrhythmia, but significantly reduced cardiovascular disease. However, decaffeination seems preferable in all areas, and favoring it over caffeinated coffee would be of no interest, the researcher concludes.


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