Stephen Sinatra, MD, cardiologist and best-selling author of, “Heartbreak and Heart Disease,” says certain unsuspecting bad habits could weigh more heavily on the heart than you realize. Of course, there are many well-known bad habits for the heart such as drinking too much alcohol, not exercising, smoking and eating unhealthy foods, but there are some other lesser-known bad habits that can negatively affect heart health as well. Dr. Sinatra returns to Late Night Health.