Drugs that treat psoriasis and rheumatoid arthritis, or RA, by suppressing the immune system may also reduce the risk of developing diabetes, at least in people who already have one of these conditions, according to a new study in the Journal of the American Medical Association. Compared with those taking other drugs (such as cyclosporine), patients with psoriasis or RA who were prescribed one of several drugs in a class known as the TNF inhibitors had a 38 percent lower risk of developing type 2 diabetes over the course of the six-month study.
