Drinking more coffee ensures a longer life, say two studies

Oceane Deschanel
Julho 12, 2017

"We can not say drinking coffee will prolong your life, but we see an association", Setiawan said. In fact, those who reported drinking four or more cups per day enjoyed an 18 percent lower chance of death over the study period than those who said they drank no coffee.

Rather, the studies were observational in nature, meaning they showed an association between coffee-drinking and a propensity toward longevity, but stopped short of proving cause and effect.

The first study monitored coffee consumption in over 185,000 people among different ethnic groups within Hawaii and Los Angeles, aged between 45 and 75 years with an average follow up time of over 16 years.

The new study shows there is a stronger biological possibility between coffee and longevity and found the mortality was related inversely to coffee consumption for heart disease, cancer, respiratory disease, stroke, diabetes and kidney disease. A piping cup of cappuccino, hot espresso, or iced latte, name your fuel and rejoice because believe it or not, drinking coffee reduces your risk of death.

Although these results look pretty categoric, and the researchers tried to limit as many potential confounders as possible, for example, smoking, physical activity, pre-existing diseases, it should be noted that coffee may not necessarily be the reason behind these findings.

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The ongoing Multiethnic Cohort Study has more than 215,000 participants and bills itself as the most ethnically diverse study examining lifestyle risk factors that may lead to cancer. One of the studies analysed data from a nutrition study that tracked more than 520,000 people from 10 European countries for an average of 16.4 years.

Those who drank about three cups a day tended to live longer than non-coffee drinkers, said the study, which researchers described as the largest analysis of the effects of coffee-drinking in a European population.

"If you like to drink coffee, drink up!"

"Coffee contains a lot of antioxidants and phenolic compounds that play an important role in cancer prevention", Setiawan said. After 25 years of labeling coffee a carcinogen linked to bladder cancer, the World Health Organization last year announced that drinking coffee reduces the risk for liver and uterine cancer.

Researchers think this study is the biggest analysis highlighting the effect of coffee in the European communities. And why not, a beverage of which 2.25 billion cups are consumed everyday deserves to be studied well.

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