Coronary artery disease (CAD) is the most common type of heart disease. It can lead to angina and heart attack. Read about symptoms and tests.| medlineplus.gov
Heart disease is the leading cause of death in the U.S. Learn about the different types of heart diseases, and what you can do to try to prevent them.| medlineplus.gov
LDL, or low-density lipoprotein, is the "bad" cholesterol. A high LDL level can lead to a buildup of cholesterol in your arteries.| medlineplus.gov