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AbledHealth post banner shows a cup of coffee as seen from above sitting on a chalkboard on which an electrocardiogram waveform has been drawn in chalk. The headline reads: Coffee Studies: Meta-analysis links lower risk of a sudden death.

Coffee could literally be a lifesaver

 

From CNN.com by Carina Storrs | November 16, 2015

Throughout the ages, coffee has been called a virtue and a vice for our health. The latest study comes down in favor of virtue: It says that drinking coffee, whether regular or decaf, could reduce the risk of death.

Researchers started with data from surveys of adults in the United States that asked how much coffee they consumed, as well as other foods and drinks, and then they looked at their rates of death and disease over the following two decades.

The study was large, including more than 200,000 women and 50,000 men.

At first, researchers did not see an obvious relationship between coffee consumption and death rates. Study participants who drank between less than a cup of coffee and three cups a day had 5% to 9% lower risk of dying than those who drank no coffee. Those who drank more than three cups a day did not see any benefit. The finding was murky, like previous studies, some of which suggested a benefit and some did not.

But when the researchers looked at coffee consumption only among people who said they never smoked, the relationship became clearer: Those who drank between less than a cup of coffee and three cups a day had 6% to 8% lower risk of dying than noncoffee drinkers. Those who drank three to five cups and more than five cups had 15% and 12% lower death rates.

“The lower risk of mortality is consistent with our hypothesis that coffee consumption could be good for you (because) we have published papers showing that coffee consumption is associated with lower risk of type 2 diabetes and (heart) disease,” said Ming Ding, a doctoral student in the Harvard School of Public Health department of nutrition. Ding is the lead author of the study, which was published on Monday in the journal Circulation.

It might have been hard to see the link between coffee consumption and lower death rates because coffee and smoking often go hand-in-hand, and any benefits associated with the first could have been canceled out by the second. Although the study participants were asked about smoking, there might have been a tendency, especially among heavy smokers, to underestimate the average number of cigarettes they smoked per day, Ding said.

CLICK HERE TO READ WHAT’S BEHIND THE LOWER DEATH RATE

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