Your body needs cholesterol to function properly. However, health problems can develop if your cholesterol levels get too high. This can cause a condition called atherosclerosis, the effects of which include coronary heart disease, angina, and stroke. Although the causes of high cholesterol are often unknown, risk factors include diet, weight, and heredity. If lifestyle changes alone are not enough, medication may be necessary to lower cholesterol.
(Click High Cholesterol for a complete overview of this topic, including how to test for high cholesterol and where to start if you have been recently diagnosed. You can also click any of the links in the box to the right for specific information.)