Heart disease is the No. 1 killer of women in the United States, but most women are not being screened for it. Dr. Colin Barker, M.D., interventional cardiologist at the Houston Methodist DeBakey Heart & Vascular Center, gives insight on what women need to do to help detect the disease.

To view Dr. Barker's bio, click the link here- http://www.houstonmethodist.org/body.cfm?id=46632.