Your body needs cholesterol to make hormones and to keep your cells healthy. Cholesterol comes from two sources: your liver and your diet. However, if your diet exceeds the body’s need for cholesterol or saturated fats, your cholesterol level in your blood will increase. This video discusses treatments and lifestyle changes that may be prescribed by your doctor.

Sudden cardiac death is the leading cause of death in adults in the United States. Knowing CPR may help you save someone's life. Learn more about CPR by taking this quiz.

Knowing what causes heart disease and how you can prevent it can help you live a healthier, longer life.