Why We Have Pain, & How We Kill It

Hank makes it all better by explaining the biochemistry of pain -- how it works, why we have it, and how painkillers, whether they're over the counter or heavy-duty prescription bad boys, make the pain go away.

-----------

Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow

Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow
--
Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
Tumblr: http://scishow.tumblr.com

Thanks Tank Tumblr: http://thankstank.tumblr.com

SOURCES
http://www.nytimes.com/2012/11/18/magazine/ashlyn-blocker-feels-no-pain.html?pagewanted=all&_r=0
http://mentalfloss.com/article/18615/how-do-painkillers-find-kill-pain
http://ed.ted.com/lessons/how-do-pain-relievers-work
http://www.scientificamerican.com/podcast/episode.cfm?id=snake-venom-contains-potent-painkil-12-10-04
http://www.thepaincenter.com/why-do-we-feel-pain-and-why-does-our-body-react-to-it.html
http://www.scientificamerican.com/article.cfm?id=how-do-painkillers-buffer
http://www.drugabuse.gov/publications/research-reports/prescription-drugs/opioids/how-do-opioids-affect-brain-body
http://www.drugfreeworld.org/drugfacts/painkillers/a-short-history.html
http://www.wisegeek.org/what-are-the-different-types-of-painkillers.htm
http://www.boots.com/en/Boots-Pharmaceuticals/Boots-Pharmaceuticals-products/Information-about-Boots-Pharmaceuticals/The-invention-of-Ibuprofen/
http://www.nature.com/nrn/journal/v14/n7/full/nrn3529.html
http://www.nature.com/nature/journal/v490/n7421/full/nature11494.html