Last week, the opioid epidemic was declared a ‘public health emergency’ in the United States, but what are opioids, and why is the way they interact with the human brain potentially so dangerous?
----------
We're conducting a survey of our viewers! If you have time, please give us feedback: https://www.surveymonkey.com/r/SciShowSurvey2017

Hosted by: Stefan Chin
----------
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
----------
Dooblydoo thanks go to the following Patreon supporters: KSam Lutfi, Kevin Knupp, Nicholas Smith, Inerri, D.A. Noe, alexander wadsworth,
سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Bella Nash, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Fatima Iqbal, Justin Lentz
----------
Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
Tumblr: http://scishow.tumblr.com
Instagram: http://instagram.com/thescishow
----------
Sources:
https://www.drugabuse.gov/drugs-abuse/opioids/opioid-crisis
https://www.nytimes.com/2017/10/26/us/politics/trump-opioid-crisis.html
https://www.drugabuse.gov/about-nida/legislative-activities/testimony-to-congress/2016/what-science-tells-us-about-opioid-abuse-addiction
http://www.philly.com/philly/news/20160527_The_difference_between_opiates_and_opioids_explained.html
http://www.nejm.org/doi/full/10.1056/NEJMsr1706626#t=article
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4385443/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2711509/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3698859/
https://www.nps.org.au/australian-prescriber/articles/opioids-mechanisms-of-action
https://www.webmd.com/pain-management/opioids-opiates-explained#1
http://nba.uth.tmc.edu/neuroscience/s2/chapter08.html
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3371376/
https://www.technologyreview.com/s/602141/the-painkillers-that-could-end-the-opioid-crisis/
http://www.the-scientist.com/?articles.view/articleNo/38989/title/Pain-and-Progress/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4708964/
https://www.theatlantic.com/health/archive/2017/05/fentanyl-first-responders/526389/
https://academic.oup.com/bja/article/100/6/747/303263/Opioids-and-the-control-of-respiration
http://www.who.int/substance_abuse/information-sheet/en/
https://store.samhsa.gov/shin/content/SMA13-4742/Overdose_Toolkit_2014_Jan.pdf
https://www.drugabuse.gov/drugs-abuse/emerging-trends-alerts
https://www.fda.gov/downloads/AdvisoryCommittees/CommitteesMeetingMaterials/Drugs/AnestheticAndAnalgesicDrugProductsAdvisoryCommittee/UCM522688.pdf
https://pubchem.ncbi.nlm.nih.gov/compound/carfentanil#section=Top
https://www.statnews.com/2016/09/29/fentanyl-heroin-photo-fatal-doses/
http://www.sciencedirect.com/science/article/pii/S0028390815302203
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3724102/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2965006/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2851054/