ScienceHow are bowel polyps and cancer linked?To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience01/12/2017January 12, 2017Host Dr. Carsten Lekutat discusses when you should have a colonoscopy with Dr. Fritz von Weizsäcker. What are the risks involved? And what happens if you don't remove polyps?https://p.dw.com/p/2VbmeAdvertisement