What is cancer, and how does it start? Find out how genetics play a role, which types of cancer are the most prevalent, and what is being done to fight this deadly disease.
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Cancer 101 | National Geographic
• Cancer 101 | National Geographic
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Watch video Cancer 101 | National Geographic online without registration, duration hours minute second in high quality. This video was added by user National Geographic 04 October 2018, don't forget to share it with your friends and acquaintances, it has been viewed on our site 867,941 once and liked it 12 thousand people.