Coffee, Even Decaf, Linked to Lower Type 2 Diabetes
Coffee consumption is strongly associated with a reduced risk for type 2 diabetes, regardless of whether the coffee is caffeinated or not, according to a new meta-analysis of 28 prospective studies, published in the February issue of Diabetes Care.
“Compared with no coffee consumption… 6 cups/day of coffee was associated with a 33% lower risk of type 2 diabetes,” the authors write, adding, “Caffeinated coffee and decaffeinated coffee consumption were both associated with a lower risk of type 2 diabetes.”
Drinking coffee has been well-established in previous meta-analyses as being associated with a reduced risk for type 2 diabetes; however, the new review was needed to account for more recent trials evaluating the benefits of caffeinated vs decaffeinated coffee, the authors explain.
“We found that a 1-cup/day increment of regular coffee was associated with a 9% reduction in diabetes, and 1 cup/day of decaf was associated with a 6 % reduction in diabetes, but the difference in risk reduction between the 2 types of coffee was not statistically different,” said senior author Frank B. Hu, MD, PhD, a professor of nutrition and epidemiology with the Harvard School of Public Health in Boston, Massachusetts.
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