A study by researchers at Semmelweis University has revealed that drinking up to three cups of coffee daily is associated with a lower risk of stroke, fatal heart disease, and death from any cause. These findings highlight potential health benefits of coffee, a beverage enjoyed by millions worldwide.
The study included 468,629 adults from the UK Biobank, none of whom showed signs of heart disease when they joined the study.
The participants, with an average age of 56.2 years and 55.8% being women, were divided into three groups based on their coffee-drinking habits: non-coffee drinkers (22.1%), light-to-moderate drinkers (0.5 to 3 cups per day, 58.4%), and high coffee consumers (more than 3 cups per day, 19.5%).
Over a follow-up period of 10 to 15 years, the researchers found that light-to-moderate coffee consumption was linked to significant health benefits. Compared to those who didn’t drink coffee regularly, people who drank 0.5 to 3 cups per day had:
- A 12% lower risk of dying from any cause.
- A 17% lower risk of dying from heart disease.
- A 21% lower risk of stroke.
The study also included data from 30,650 participants who underwent cardiac magnetic resonance imaging (MRI). This imaging method, considered the gold standard for assessing heart structure and function, revealed that regular coffee drinkers had healthier hearts.
Their hearts were better-sized and functioned more efficiently, which the researchers suggested could help counteract the natural aging of the heart.
Interestingly, even high coffee consumption was not linked to any negative outcomes for heart health or overall mortality. This suggests that regular coffee intake is safe for most people and may provide protective benefits when consumed in moderation.
While the exact reasons behind these benefits remain unclear, the researchers believe they may be related to coffee’s impact on heart structure and function.
Coffee contains several bioactive compounds, including antioxidants, which may reduce inflammation and improve cardiovascular health.
These findings offer reassurance for coffee lovers, suggesting that enjoying up to three cups a day could be part of a heart-healthy lifestyle.
However, the researchers caution that more studies are needed to understand how coffee produces these effects and whether other factors, such as diet or lifestyle, play a role in the observed benefits.
The study was led by Dr. Judit Simon and provides valuable insights into the long-term effects of coffee on cardiovascular health. For people aiming to reduce their risk of stroke and heart disease, light-to-moderate coffee consumption could be a simple and enjoyable addition to a healthy lifestyle.
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