American Heart Month is intended to increase awareness of and educate the public on heart disease, empowering you to take action to protect yourself against it. Over the last 50 years, heart disease has gone from uncommon to the most common cause of death. Tanuka Piech, M.D., a cardiologist at the University of Michigan Health Frankel Cardiovascular Center, answers questions about heart disease, why we should care, and what we can do to help prevent it.