http://youtu.be/H5zin8jKeT0 Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/who-s-at-risk-for-colon-cancer-amit-h-sachdev-and-frank-g-gress 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. Lesson by Amit H. Sachdev and Frank G. Gress, animation by GoodJobStudios. Thank you so much to our patrons for your support! Without you this video would not be possible! Martin Lõhmus, Patrick leaming, Ded Rabit, Heather Slater, Dr Luca Carpinelli, Janie Jackson, Jeff Hanevich, Christophe Dessalles, Arturo De Leon, Delene McCoy, Eduardo Briceño, Bill Feaver, Ricardo Paredes, Joshua Downing, Jonathan Reshef, David Douglass, Grant Albert, Paul Coupe, Jen, Megan Whiteleather, Adil Abdulla, Steven LaVoy, Mayank Kaul, Ryohky Araya, vivian james, Tan YH, Brittiny Elman, Mayra Urbano, Ruth Fang, Miami Beach Family, Kostadin Mandulov, Kyoung-Rok Jang, Alex Schenkman, Hachik Masis Bagdatyan, Sdiep Sriram, and Ivan Todorović.