Go to Brilliant.org/SciShow to try their Logic course. The first 200 subscribers get 20% off an annual Premium subscription. Many a joke has been made about scurvy and pirates, but it’s a serious disease caused by a lack of Vitamin C that still affects people around the world today. What’s wild, though, is that it shouldn’t exist - our distant ancestors used to be able to make their own Vitamin C. What happened? Hosted by: Michael Aranda SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Adam Brainard, Greg, Alex Hackman, Sam Lutfi, D.A. Noe, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- 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: www.ncbi.nlm.nih.gov/pmc/articles/PMC3352212/ link.springer.com/article/10.1007%2Fs10528-013-9574-0 www.ncbi.nlm.nih.gov/pubmed/25768426 elifesciences.org/articles/06369 zjrms.com/en/articles/4037.html www.ncbi.nlm.nih.gov/pmc/articles/PMC2567249/ www.ncbi.nlm.nih.gov/pmc/articles/PMC4959991/ www.nature.com/scitable/topicpage/the-mystery-of-vitamin-c-14167861 Image Sources: commons.wikimedia.org/wiki/File:Collagentriplehelix.png commons.wikimedia.org/wiki/File:L-Ascorbic_acid.svg commons.wikimedia.org/wiki/File:Vitamin_C_Biosynthesis_in_Vertebrates.svg commons.wikimedia.org/wiki/File:Hydroxyl_radical.png commons.wikimedia.org/wiki/File:Wasserstoffperoxid.svg commons.wikimedia.org/wiki/File:Hydroxide_anion_or_hydroxyl_radical_spacefill.png commons.wikimedia.org/wiki/File:Hydrogen-peroxide-3D-vdW.png

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