Heart to Heart: Four leading cardiologists open up about how to combat America's No. 1 killer

For all the strides we've made against heart disease, it still accounts for 26 percent of all deaths in the U.S. This year alone, it will cost $316 billion in health care, medications, and lost productivity. A push for better preventive care hasn't solved the problem. And advances in the field aren't being incorporated into practice routinely or quickly enough. NEWSWEEK gathered four cardiologists to discuss the future of the field. Senior writer Claudia Kalb spoke with Dr.