Biological Drugs Used to Treat Rheumatoid Arthritis Increases Risk of Skin Cancer Do you suffer from rheumatoid arthritis? If you are taking a class of biological drugs referred to as TNF-inhibitors to treat you condition, you may be at a significantly increased risk of developing skin cancer. An analysis of multiple studies cumulatively following over 40,000 RA patients exposed to the drugs for almost 150,000 patient years found that these TNF-inhibitor drugs did not increase the risk of internal cancers,...