A new study has shown that drinking several cups of coffee a day can help protect the heart. Among people without a diagnosis of heart disease, regular coffee consumption of up to three cups of coffee a day was associated with a lower risk of death from heart disease, stroke, and early death from any cause compared with those who do not drink coffee.
The study, presented Friday at the annual meeting of the European Society of Cardiology, examined the coffee-drinking behavior of more than 468,000 people participating in the British Biobank Study, which provides detailed genetic information and health information for more than half a million Britons.
According to CNN, studies have shown that drinking coffee in moderation can protect adults from type 2 diabetes, Parkinson’s disease, liver disease, prostate cancer, Alzheimer’s disease, back pain and more.
In terms of heart disease, a large analysis of data from three large studies published in April found that drinking one or more cups of regular caffeinated coffee per day was associated with a long-term reduction in the risk of heart failure.
Compared to people who did not drink coffee, an April analysis in two studies showed that the risk of heart failure decreased by 5-12% over time for every cup of coffee consumed every day.
In the third study, the risk of heart failure remained the same without drinking coffee or drinking one cup a day. But analysis has shown that when people drink two or more cups of black coffee a day, the risk is reduced by about 30%.
“The link between caffeine and a lower risk of heart failure was amazing,” said senior study author Dr. David Kao, medical director of the Colorado Center for Personalized Medicine at the University of Colorado Aurora School of Medicine, in April.
“Coffee and caffeine in general are often considered ‘bad’ for the heart because people associate them with increased heart rate, high blood pressure, etc. The persistent relationship between increased caffeine intake and decreased risk of heart failure turns this assumption upside down, ”Dr. Kao said in a statement.
In an April study, the benefits did not extend to decaf coffee. Instead, the analysis found a link between decaffeinated coffee and an increased risk of heart failure.
As CNN explains, heart failure occurs when a weakened heart cannot supply the body’s cells with enough blood to get the oxygen needed for the body to function normally. People with heart failure suffer from fatigue and shortness of breath and find it difficult to walk, climb stairs, or perform other daily activities.
“While these three studies cannot prove a causal relationship, it is intriguing that coffee consumption is associated with a reduced risk of heart failure and that coffee can be part of a healthy diet if consumed simply, without added sugar and high-content dairy products. fat is like cream, ”says Registered Dietitian Penny Chris-Etherton, former former chairman of the Steering Committee of the American Heart Association’s Lifestyle and Cardiometabolic Health Council.
A lot of research on coffee is only done with black coffee. However, adding dairy, sugar, flavoring, or non-dairy creamer can add a lot of calories, sugar and fat, which can negate the heart health benefits of coffee, according to the AHA.
Additional caveat: In most studies, a cup of coffee is only 8 ounces (230 ml). How you brew coffee can also affect the health benefits of coffee. Filtered coffee traps a compound called cafeestol, which is present in the oily portion of the coffee. Cafestol may raise the levels of bad cholesterol or low-density lipoproteins. However, if you are using a French press, a Turkish coffee maker, or brewing coffee (as is often done in Scandinavian countries), the cafestol is not removed.
Research has shown that some people should be wary of drinking coffee. A 2017 study found that eating more than 4 cups a day during pregnancy was associated with low birth weight, premature birth, and stillbirth.
People with sleep problems or uncontrolled diabetes should consult a doctor before adding caffeine to their diet, experts say. Coffee also increases the likelihood of bone fractures in women at risk. However, in men, coffee did not have this effect.
Finally, the benefits of coffee do not apply to children – according to the American Academy of Pediatrics guidelines, even teens should not drink cola, coffee, energy drinks, or other drinks with any amount of caffeine.
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