Did you know heart disease is the leading cause of death in the United States? According to the Centers for Disease Control and Prevention (CDC), 1 person dies every 36 seconds in the U.S. from heart disease. February is American Heart Month, which is dedicated to raising awareness about preventing cardiovascular disease. You might know a healthy lifestyle can lower your risk, but there’s another factor that’s equally important. Believe it or not, a healthy heart begins with your smile. In honor of Heart Health Month, here’s what you need to know to keep your mouth and heart healthy.