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A new study conducted by the American Heart Association found that higher consumption of coffee, whether regular or decaf, could reduce the risk of deaths due to cardiovascular disease, neurological diseases, and suicide.

The study included 200,000 women and 50,000 men and pulled data from surveys. The researchers asked U.S. adults how much coffee they consumed compared to other foods and drinks, and examined the individuals’ rates of death and disease over the next two decades.

Ming Ding, a doctoral student in the Harvard School of Public Health Department of Nutrition, was the lead author of the study, which was published on Monday in the journal Circulation.

While initially the correlation between coffee consumption and total mortality rates was not blatantly obvious, Ding says the researchers’ findings are consistent with their original hypothesis that caffeine can actually be good for you and reduce risk of death by 9 to 15 percent.

The study also indicated that people who drink coffee daily, even up to four cups per day, are less likely to die from heart disease, neurological disease, type 2 diabetes, or suicide compared to non-coffee drinkers.