A recent study published at Diabetes Care, Dr. Rob M. van Dam and and colleagues examined the effect of coffee consumption on the risk of developing type 2 diabetes. The study was conducted in a sample of 88259 women that participated at the Nurses’ Health Study II. The researchers reported that coffee consumption lowered the risk of type 2 diabetes and that higher coffee consumption resulted in greater decrease of type 2 diabetes risk.

Consumption of 1 cup of coffee per day decreased the risk by 13% (however, this finding was statistically significant), consumption of two to three cups per day resulted in a decrease risk of 42% and finally consumption of four or more cups per day reduced the risk by 47%, almost half.

Other studies in the past has shown similar results, however the importance of this study is that it showed that both caffeinated and decaffeinated coffee produce these results. I addition to that it was shown that although filtered coffee and instant coffee have similar beneficial results, the consumption of espresso or percolator coffee did not significantly reduce the risk.

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