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What are Scars?

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Published on Apr 2, 2016

Almost everyone has a scar that tells a story, but have you ever wondered why exactly scars form in the first place?

Warning: There are some graphic images of scars in this episode.

Hosted by: Hank Green
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Sources:
http://www.nhs.uk/conditions/scars/Pa...
http://www.ncbi.nlm.nih.gov/books/NBK...
http://www.news-medical.net/health/Wh...
http://www.webmd.com/skin-problems-an...
http://www.huffingtonpost.com/robert-...
http://www.ncbi.nlm.nih.gov/pmc/artic...
http://www.ncbi.nlm.nih.gov/pmc/artic...
http://www.aafp.org/afp/2009/0801/p25...

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