Coffee drinkers no longer need to fret over health concerns and their beloved beverage, according to a new study by the National Cancer Institute. In fact, feel free to pour an extra cup in the morning because, the study suggests, coffee may actually prolong life.

Over the course of a 14-year study, researchers found that men who drank at least six cups of coffee a day had a 10 percent lower chance of dying than those who drank none. Women had a 15 percent lower chance.

“I would say it offers some reassurance to coffee drinkers,” said Neal Freedman, a nutritional epidemiology researcher and one of the authors of the study. “Other studies have suggested a higher risk of mortality with coffee drinking and we didn’t see that in our study.”

The study looked at the coffee habits of 229,000 men and 173,000 women from 1995 to 2008. It found that even people who drank between two and five cups of coffee daily seemed to have a lower risk of mortality. This applied to both regular and decaffeinated coffee.

It’s important to note, however, that the study highlights only a potential connection between coffee and decreased risk of death. Simply put, researchers aren’t quite sure why their findings highlight an uptick in longevity.

Still, Freedman said, it’s entirely possible that coffee may be beneficial in some unknown way. “Coffee has more than 1,000 compounds and we really don’t know what effects those compounds have on health,” he said.

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