People who drink coffee regularly may lower their risk of developing type 2 diabetes.People who drink coffee regularly may lower their risk of developing type 2 diabetes. But don’t count on a daily jolt of java to fend off diabetes just yet. The researchers reporting the finding aren’t advising coffee as a diabetes prevention method. They say they found support for the idea that “habitual coffee consumption is associated with a substantially lower risk of type 2 diabetes.” However, more studies are needed, they write in The Journal of the American Medical Association.