Know the facts from the myths with Everyday Health.
http://www.everydayhealth.com/news/myths-and-facts-about-dietary-fat-and-your-heart/
"If you have heart disease or conditions like atrial fibrillation, you may have been told that a diet low in saturated fats will help. For heart health, you may have believed that a low-fat diet would protect you. But now that some studies report links between saturated fats and heart disease may not be that strong, what should you do?"