In 1984, Dr. Barry Marshall had a theory about ulcers that he couldn't convince the science community of. So, he took matters into his own hands... or stomach, and infected himself with a potentially deadly bacterium. Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters—we couldn't make SciShow without them! Shoutout to Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: medlineplus.gov/pepticulcer.html discovermagazine.com/2010/mar/07-dr-drank-broth-gave-ulcer-solved-medical-mystery www.cancer.gov/about-cancer/causes-prevention/risk/infectious-agents/h-pylori-fact-sheet#q4 www.nobelprize.org/nobel_prizes/medicine/laureates/2005/warren-slides.pdf www.nobelprize.org/nobel_prizes/medicine/laureates/2005/warren-lecture.pdf www.nobelprize.org/nobel_prizes/medicine/laureates/2005/marshall-lecture.pdf www.nobelprize.org/nobel_prizes/medicine/laureates/2005/press.html www.cdc.gov/ulcer/history.htm www.ncbi.nlm.nih.gov/books/NBK2432/ www.nobelprize.org/nobel_prizes/medicine/laureates/2005/ Martin Blaser's "Missing Microbes" book, pp. 104-152 www.newyorker.com/magazine/2012/10/22/germs-are-us www.ncbi.nlm.nih.gov/pmc/articles/PMC1283743/ www.thelancet.com/journals/lancet/article/PIIS0140-6736(84)91816-6/abstract www.ncbi.nlm.nih.gov/pmc/articles/PMC1539101/

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