According to a recent study, consuming two to three cups of coffee each day can prevent early mortality and other cardiovascular diseases.

The author of the study, Peter Kistler, said, “The results suggest that mild to moderate intake of ground, instant and decaffeinated coffee should be considered part of a healthy lifestyle.”

Kistler is in charge of the clinical, electrophysiological research at the Baker Heart and Diabetes Institute. He also oversees electrophysiology at Melbourne’s Alfred Hospital concurrently.

Along with several other researchers, they discovered three varieties of coffee that greatly lower the risk of a number of ailments, including coronary heart disease, stroke, and congestive heart failure.

Caffeine-containing coffee, both ground and instant, lowers the risk of arrhythmia. However, the European Journal of Preventive Cardiology found that drinking decaffeinated coffee did not make people less likely to experience irregular heartbeat.

Three to five cups of black coffee a day can help with the symptoms of a variety of conditions, including type 2 diabetes, liver disease, Alzheimer’s, Parkinson’s, prostate cancer, and heart disease.

“This manuscript adds to the body of evidence from observational trials associating moderate coffee consumption with cardioprotection, which looks promising,” nutritional sciences lecturer Charlotte Mills said.

However, Mills argues that because the researchers’ results are observational in nature, it is impossible to rule out a causal link between the disorders and consuming coffee.

“Does coffee make you healthy, or do inherently healthier people consume coffee? Randomized controlled trials are needed to prove the relationship between coffee and cardiovascular health,” Mills added.

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Ground, caffeinated coffee helps

The study made use of the UK Biobank’s data. Over 450,000 persons who were free of arrhythmia and other cardiovascular disorders were surveyed for the study database.

The researchers divided the participants into four groups: those who preferred caffeine ground coffee, those who opted to drink decaffeinated coffee, those who preferred caffeinated instant coffee, and those who did not drink coffee.

The researchers compared the patients’ data over 12 and a half years, accounting for information on cardiovascular illnesses, arrhythmia, stroke, and mortality. There were more criteria taken into account.

These include smoking status, age, ethnicity, sex, high blood pressure, diabetes, and tea drinking. After analysis, the researchers found that all varieties of coffee had a tangential relationship with fewer health problems.

Dietitian Duane Mellow, who teaches at the medical school at Aston University, acknowledges the benefits of both caffeinated and decaffeinated coffee in lowering the risk of cardiovascular illnesses.

However, Mellow argues that other coffee components might perhaps cause the effects.

“Caffeine is the most well-known constituent in coffee, but the beverage contains more than 100 biologically active components. It is likely that the non-caffeinated compounds were responsible for the positive relationships observed between coffee drinking, cardiovascular disease and survival,” Kistler said.

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More study about the matter

Although the study encourages coffee drinkers, experts remain divided about its findings.

The British Nutrition Foundation’s Annette Creedon claims that the study’s flaw was how the survey participants self-reported their coffee use.

“This study had a median follow-up period of 12.5 years during which many aspects of the participants’ diet and lifestyle may have changed,” she said.

Although coffee advertises itself as a medicinal beverage, according to Creedon, certain people—such as those who have difficulties falling asleep and those with uncontrolled diabetes—react unfavorably to it.

She thus thinks that before making coffee a daily beverage, people should see their physicians.

“(These negative side effects” can be particularly relevant to individuals who are sensitive to the effects of caffeine. Hence, the findings of this study do not indicate that people should start drinking coffee if they do not already drink it or that they should increase their consumption,” added Creedon.

Additionally, the manner in which coffee is brewed significantly affects the outcomes. Therefore, people should think about the quantity of sugar, cream, milk, and other ingredients in the coffee they want to drink, says Mellor.

“A simple cup of coffee, perhaps with a little milk, is very different to a large latte flavored with a syrup and added cream,” Mellor said.

Photo Credit: The Manual

Source: CNN