Now playing: What is coronary artery disease?

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What is coronary artery disease?

Coronary Artery Disease is when plaque builds up inside the arteries that wrap around your heart. The build-up causes your arteries to become hard and narrow, making it harder for blood to flow through. If the plaque ruptures and blocks your artery completely, it can result in a heart attack. The best prevention is eating a healthy diet, being physically active, and maintaining a healthy weight.

Last modified: 2012-03-06