What are the common misconceptions about heart attacks? Dr. Sanjay Gupta explains

Dr. Sanjay Gupta has spent more than a year looking into heart disease for his upcoming documentary, The Last Heart Attack, set to air this Sunday night at 8pm ET. Along the way, he has uncovered a few common myths believed by many Americans about heart attacks.

Gupta breaks down the common misconceptions about heart disease today on American Morning, explaining what the main risk factors are for heart problems.