In this video Paul Andersen answers the very simple question: What is cancer? He explains how damage to the DNA can create uncontrolled cell growth. He explains how malignant tumors can spread the disease throughout the body and gives possible treatments.

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Music Attribution
Title: String Theory
Artist: Herman Jolly
http://sunsetvalley.bandcamp.com/trac...

All of the images are licensed under creative commons and public domain licensing:
Asd.and.Rizzo. English: Cancer Cells Photographed by Camera Attached to Microscope in TimeLapse Manner., July 23, 2008. Own work. http://commons.wikimedia.org/wiki/Fil....
BruceBlaus. English: Epidermis. See a Full Animation of This Medical Topic., January 29, 2014. Own work. http://commons.wikimedia.org/wiki/Fil....
"File:Thorax Pa Peripheres Bronchialcarcinom Li OF Markiert.jpg." Wikipedia, the Free Encyclopedia. Accessed March 23, 2014. http://en.wikipedia.org/wiki/File:Tho....
Häggström, Mikael. English: Image for Use in the Human Body Diagrams Project. To Discuss Image, Please See Talk:Human Body Diagrams, May 25, 2011. All used images are in public domain. http://commons.wikimedia.org/wiki/Fil....
Meyer, D. Glivec (Gleevec) Film Tablet Made by Novartis., July 2, 2006. Photo made by myself. http://commons.wikimedia.org/wiki/Fil....
Sponk, Difference_DNA_RNAEN svg: *Difference_DNA_RNADE svg: English: DNA in Eukaryote Cell, August 5, 2012. This file was derived from: Difference_DNA_RNAEN.svg Chromosome.svg Animal_cell_structure_en.svg. http://commons.wikimedia.org/wiki/Fil....