Cardiac valve surgeon Dr. Vinay Badhwar explains what older adults need to know about mitral valve disease.The number of people having mitral valve operations is at an all-time high—but what is this heart threat? Cardiac valve surgeon Dr. Vinay Badhwar explains what older adults need to know about this disease and how to best treat it. Plus, he discusses new research which found that many people don't get the mitral valve surgery they need until it's too late. Bonus! Do Early Birds Live Longer Than Night Owls?