By 
Amit Sachdev
 | 
TED-Ed Original

Who's at risk for colon cancer?

Colon cancer is one of the leading causes of cancer and cancer death in the world. It is also one of the most preventable types of cancer as it often takes about ten years for a small polyp to grow and develop into a cancerous one. So who's at risk? And how can people be screened? Amit H. Sachdev and Frank G. Gress share some of the best ways to prevent colon cancer.

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