Moderate Caffeine Intake Reduces Heart Disease Risk
A new study reveals that moderate caffeine consumption, such as drinking three cups of coffee or tea a day, may significantly lower the risk of cardiometabolic diseases like heart disease, stroke, and type 2 diabetes. The study, led by Dr. Chaofu Ke, an associate professor at Soochow University in China, shows that caffeine can play a protective role in preventing multiple health issues.
Study Analyzes Data from 180,000 Participants
Researchers analyzed data from around 180,000 participants in the UK Biobank, a large health resource. These individuals had no cardiometabolic conditions at the start of the study. Their self-reported caffeine intake from coffee, black tea, or green tea was compared to the cardiometabolic diseases they developed over time. The results were striking: participants who consumed three cups of coffee or tea daily had a 48.1% lower risk of developing new heart-related conditions compared to those who drank less than one cup.
Strong Evidence for Caffeine’s Benefits
Dr. Gregory Marcus, a cardiology expert from the University of California, commented on the study, noting that the large sample size and the use of multiple biomarkers strengthen the findings. He emphasized that this study adds to the growing evidence of caffeine’s positive impact on heart health. However, he cautioned that the research is observational, meaning it can’t prove that caffeine alone is responsible for the benefits.
Important Questions Remain
While the study provides encouraging results, it leaves some questions unanswered. Dr. Marcus highlighted that other factors, like a healthier diet or more active lifestyle, could also explain the improved heart health in caffeine drinkers. Additionally, the study didn’t examine caffeine from sources like energy drinks, so it’s unclear if those beverages have the same positive effects.
Should You Start Drinking Coffee?
While the new findings may reassure coffee and tea drinkers, experts like Dr. Marcus suggest moderation. He pointed out that high doses of caffeine, especially from energy drinks, can cause harmful heart rhythms. Therefore, while moderate caffeine intake appears beneficial, more isn’t always better.
Conclusion
Moderate consumption of coffee or tea may offer protective benefits against cardiometabolic diseases. However, it’s important to keep caffeine intake within healthy limits and focus on a balanced lifestyle to maximize heart health benefits.
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