Even though doctors have been using general anesthesia for nearly 200 years, they haven’t really understood the details of how it temporarily shuts down your brain — until now. Hosted by: Michael Aranda SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: / scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Bd_Tmprd, Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Sam Buck, Christopher R Boucher, Eric Jensen, Lehel Kovacs, Adam Brainard, Greg, Sam Lutfi, Piya Shedden, Katie Marie Magnone, Scott Satovsky Jr, Charles Southerland, Charles george, Alex Hackman, Chris Peters, Kevin Bealer ---------- Looking for SciShow elsewhere on the internet? Facebook: / scishow Twitter: / scishow Tumblr: / scishow Instagram: / thescishow ---------- Sources: https://www.nejm.org/doi/10.1056/NEJM... https://medlineplus.gov/ency/article/... https://www.woodlibrarymuseum.org/his... https://anesthesiology.pubs.asahq.org... https://www.ncbi.nlm.nih.gov/pmc/arti... https://anatomypubs.onlinelibrary.wil... https://pubmed.ncbi.nlm.nih.gov/6320881/ https://www.sciencedirect.com/science... https://www.ncbi.nlm.nih.gov/pmc/arti... https://www.nature.com/articles/310599a0 https://anesthesiology.pubs.asahq.org... https://www.pnas.org/content/117/24/1... Image Sources: https://www.istockphoto.com/photo/pat... https://www.istockphoto.com/photo/cel... https://www.istockphoto.com/photo/mol... https://www.istockphoto.com/photo/bef... https://commons.wikimedia.org/wiki/Fi... https://www.istockphoto.com/photo/neu... https://www.istockphoto.com/photo/blu... https://www.istockphoto.com/photo/fem...