On the contrary the studies were observational in type meaning they showed a connection between coffee-drinking and a tendency toward longevity, but was inadequate towards proving cause and effect.
More specifically, the study found that the coffee drinkers had a lowered risk of dying of digestive diseases and circulatory disease.
The connection, revealed in two large studies, was found to hold regardless of whether the coffee was caffeinated or not, with the effect higher among those who drank more cups of coffee a day.
The people who drank three cups of coffee daily had an 18 per cent reduced chance of death. People who drink up to three cups a day had an 18 percent lower risk of death.More news: Takata air bag blamed for death during fix job
"Finding in one population doesn't necessarily apply to others", said V. Wendy Setiawan, of the Keck School of Medicine at the University of Southern California in Los Angeles.
"Coffee contains a lot of antioxidants and phenolic compounds that play an important role in cancer prevention", Setiawan points out.
"I think that coffee helps you live a great life while you are still alive, too".
The study does have limitations, and the researchers were not able to pinpoint a causal relationship, or why coffee appears to have these health benefits.
Plus, Guallar said, if people load their coffee with cream and sugar, that adds calories and unhealthy fats. "So perhaps we should relax and enjoy it", he said.More news: Iowa gas prices unchanged in past week; averaging $2.15 a gallon
And for those who don't want to consume more caffeine, don't worry - decaf seems to offer the same health benefits.
Participants who did not drink coffee were 16%, while 31% drank a cup per day. For example, people who drink more coffee tend to smoke more cigarettes, so that had to be taken into account.
"That said, our results suggest that moderate coffee drinking is not detrimental to your health, and that incorporating coffee into your diet could have health benefits", he says.
It's your lucky day, coffee drinkers.
90 percent of us all drink coffee every day and approximately 2.25 billion cups of coffee are drunk every day worldwide.
WHO, after labeling coffee a carcinogen linked to bladder cancer for 25 years, has announced in the previous year that drinking coffee reduces the risk for liver and uterine cancer. Past studies have hinted that coffee might support liver function; and coffee drinkers in this study typically had lower levels of certain proteins that can signal problems with the liver.More news: Pistons trade Marcus Morris to Celtics for Avery Bradley