Dr. Scott Lear has been a leading scientist in preventing heart disease for over 20 years. He's a professor in Health Sciences at SFU, and he conducts research into how lifestyle can prevent and manage heart disease. He has heart disease himself, and blogs at drscottlear.com. We discuss 3 myths he encounters in his work: Myth #1: Stress causes heart attacks/heart disease. Myth #2: Dietary cholesterol intake is associated with cholesterol levels in our bodies. Myth #3: Exercise is a great way to lose fat.