Can You Catch Cancer?

Can you catch cancer from someone else?

WARNING: There is a graphic image of a poor tasmanian devil with facial tumors in this episode.

Hosted by: Hank Green
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Sources:
http://www.cancer.org/cancer/cancerca...
https://www.ebi.ac.uk/interpro/potm/2...
http://www.ncbi.nlm.nih.gov/pmc/artic...
http://www.scientificamerican.com/art...
http://www.ncbi.nlm.nih.gov/pmc/artic...
http://www.sciencedirect.com/science/...
http://www.cancer.org/cancer/kaposisa...
http://www.infectagentscancer.com/con...
http://www.cancer.gov/about-cancer/ca...
http://www.cdc.gov/vaccines/hcp/vis/v...
http://jvi.asm.org/content/78/21/1145...
http://www.cancer.gov/research/areas/...
http://www.sciencedirect.com/science/...
http://www.ncbi.nlm.nih.gov/pmc/artic...
http://www.ncbi.nlm.nih.gov/pubmed/17...