Less than 3 cups of coffee daily can improving heart health
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Less than 3 cups of coffee daily can improving heart health and reducing the risk of death.
Coffee is the most popular beverage worldwide. 80% of adults drink at least one caffeinated beverage every day. According to statistics, the world’s annual coffee consumption exceeds 9 billion kilograms.
A number of past studies have also shown that drinking coffee regularly can bring many health benefits, which are related to the reduction of the risk of liver cancer and other cancers, and the reduction of the risk of many chronic diseases.
Coffee contains a lot of caffeine, so many people drink coffee to refresh and improve work efficiency. However, the effect of regular coffee consumption on cardiovascular health is poorly understood. Is there a safe value for the amount of coffee consumed, and if it exceeds a certain safe value, it will affect cardiovascular health?
Recently, Dr. Judit Simon of the Heart and Vascular Center of Semmelweis University in Hungary published a study at the 2021 European Society of Cardiology (2021ESC), showing that drinking no more than three cups of coffee a day can reduce stroke and fatal heart Risk of illness. It is understood that this is also the largest study to systematically assess the cardiovascular effects of regular coffee drinking on people who have not been diagnosed with heart disease.
Rank investigated the association between daily coffee consumption and heart attack, stroke, and death. The research team included 468,629 participants from the UK Biobank who had no signs of heart disease at the time of recruitment. The average age of these people is 56.2 years old, and 55.8% of them are women.
The research team divided them into three groups based on their usual coffee consumption, namely the non-coffee group (not drinking coffee regularly, accounting for 22.1%), and light to moderate drinking (0.5 to 3 cups/day, accounting for 22.1%). 58.4%) and heavy drinking (more than 3 cups/day, accounting for 19.5%).
The researchers used a multivariate model to estimate the relationship between daily coffee consumption and the outcome of the event, with a median follow-up time of 11 years (10-15 years), and analyzed and adjusted factors that may affect the relationship, including age, gender, weight, and height , Smoking status, physical activity, high blood pressure, diabetes, cholesterol level, socioeconomic status, and usual intake of alcohol, meat, tea, fruits and vegetables.
The results showed that, compared with people who did not drink coffee, light to moderate coffee consumption was associated with a 12% reduction in the risk of death from all causes (hazard ratio of 0.88, p<0.001), and a 17% reduction in the risk of death from cardiovascular diseases (hazard ratio Is 0.83, p=0.006), and the risk of stroke is reduced by 21% (hazard ratio is 0.79; p=0.037).
In general, the results of this study indicate that regular coffee consumption is safe, because during the 10 to 15-year follow-up, even a large amount of coffee daily is not associated with adverse cardiovascular outcomes and all-cause mortality. In addition, drinking coffee every day 0.5 to 3 cups of coffee are independently associated with a reduction in the risk of stroke, cardiovascular death, and death from any cause.
To examine the underlying mechanism, the researchers analyzed the relationship between daily coffee intake and the structure and function of the heart. The research team used data from 30,650 participants who had undergone cardiac magnetic resonance imaging (MRI). This is the gold standard for evaluating the structure and function of the heart. Cardiac magnetic resonance imaging analysis showed that compared with participants who did not drink coffee regularly, people who drank coffee daily had healthier hearts and better function. This is consistent with reversing the adverse effects of aging on the heart.
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Dr. Judit Simon concluded that the results of this study show that drinking no more than 3 cups of coffee a day is associated with favorable cardiovascular outcomes and reduced mortality. Although further research is needed to explain the underlying mechanism, the observed benefits may be partially explained by positive changes in the structure and function of the heart.
(source:internet, reference only)
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