Dr. Ragavendra Baliga, a cardiologist at the Ohio State University Wexner Medical Center examines a patient. Millions of people take Beta Blockers for everything from heart disease to stage fright, from treating glaucoma to preventing migraines. But not all beta blockers are created equal. Studies show, over time, taking an older class of beta blockers can substantially increase your risk of developing diabetes. Dr. Ragavendra Baliga is helping to lead the charge to do away with the older versions of this popular medicine.