Sipping your daily cup of coffee may take a heavy toll on your heart’s health on the long run, scientists found. Coffee consumption is now linked with a heightened risk of heart disease, and heart attack in people that are already affected by mild high blood pressure.
For their review paper, scientists sifted through data collected during a 12-year study. The final results revealed that heavy drinking of coffee boosts the risk of heart conditions by four times, while moderate drinking was linked with a three fold risk.
Heavy coffee drinkers were defined as people who drink four cups of coffee or more on a daily basis, while moderate drinkers are those that drink between one and three cups per day.
The review involved 1,200 participants who were non-drinkers, mild drinkers, or heavy drinkers. Study authors planned to learn whether coffee could boost risk of heart disease and whether that risk was tied to hypertension and glucose metabolism.
Dr Lucio Mos, from the Hospital of San Daniele del Friuli in Udine, Italy and lead author of the study, explained that there are several past studies that had linked glucose metabolism troubles and cardiovascular risk of coffee drinking in high blood pressure patients.
But the recent study brings new evidence that there may be a relationship between coffee drinking and heightened risk of heart disease and heart attack.
Study participants were all young adults diagnosed with stage 1 hypertension. Those that drank one cup were considerate moderate drinkers but they still had a significant risk of cardiovascular illness.
About 26 percent of volunteers said that they never drank coffee, 62.7 percent were moderate consumers, while 10 percent were heavy coffee drinkers. Researchers also noted that coffee drinkers had a higher BMI than the members of the coffee-free group.
Additionally, above average coffee consumption was tied with high blood pressure that required treatment. But the research team was curious to learn whether type 2 diabetes could be triggered by too much coffee in high blood pressure patients because the diabetes and hypertension are often linked.
The study revealed that coffee may boost the risk of type 2 diabetes due to the way the human body metabolizes glucose from coffee. Scientists found a link between heavy drinking of coffee and high risk of prediabetes. Yet, researchers explained that they didn’t find a cause-and-effect relationship.
But the risk in the heavy drinking group was higher only in people deemed as slow caffeine metabolizers. Those that metabolized coffee faster were at a low risk of prediabetes.
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