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Sign and Symptoms

An image of how fatty material can build up on artery walls.

Cholesterol is a waxy, fat-like substance that your body needs. But, when you have too much in your blood, it can build up on the walls of your arteries. This can lead to heart disease and stroke.

There are generally no symptoms of high cholesterol. Many people have never had their cholesterol checked, so they don't know they're at risk. A simple blood test can tell you your level. The good news is that there are steps you can take to prevent high cholesterol—or to reduce your levels if they are high.


 
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