Mayo Clinic chair of Preventive Cardiology, Francisco Jimenez, M.D., Thomas G. Allison, Ph.D., associate professor of medicine, Randal J. Thomas, M.D., associate professor of medicine, and Vinaya Simha, M.D., M.B.B.S., assistant professor, Department of Endocrinology, talk about the American College of Cardiology/American Heart Association guidelines on the treatment of blood cholesterol.