We Don’t Know Why Astronauts Get Motion Sick

A majority of modern astronauts experience any one of a suite of symptoms scientists collectively call Space Motion Sickness, or SMS. But despite knowing about it for nearly as long as humans have gone into space, we still don t know exactly what causes it, or how to predict which astronauts might lose their lunch. Hosted by: Hank Green (he/him) ---------- Huge thanks go to the following Patreon supporter for helping us keep SciShow Space free for everyone forever: Jason A Saslow, David Brooks, and AndyGneiss! Support SciShow Space by becoming a patron on Patreon: https://www.patreon.com/SciShow Or by checking out our awesome space pins and other products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? SciShow on TikTok: https://www.tiktok.com/@scishow SciShow Tangents Podcast: http://www.scishowtangents.org Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow ---------- Sources: https://pubmed.ncbi.nlm.nih.gov/16935570/ https://science.nasa.gov/science-news/science-at-nasa/2001/ast07aug_1 https://www.sciencedaily.com/releases/2008/05/080521112119.htm https://www.smithsonianmag.com/air-space-magazine/sick-in-space-56746153/ https://www.frontiersin.org/articles/10.3389/fncir.2021.760313/full https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7016134/ https://www.ncbi.nlm.nih.gov/books/NBK10792/ https://polarisprogram.com/science-research/ Image Sources: https://www.jfklibrary.org/asset-viewer/archives/JFKWHP/1962/Month%2005/Day%2003/JFKWHP-1962-05-03-A?image_identifier=JFKWHP-ST-A35-1-62 https://www.nasa.gov/image-feature/hangout-in-space https://www.youtube.com/watch?v=qRDASIpSfzQ https://images.nasa.gov/details-iss068e041023 https://www.nasa.gov/feature/50-years-ago-apollo-13-crew-returns-safely-to-earth https://commons.wikimedia.org/wiki/File:S37-54-004_-_Candid_shot_of_STS-37_crew_(Retouched).jpg https://commons.wikimedia.org/wiki/File:Tryggvason_works_with_the_FLEX_experiment_RME_1328,_MIM_01.jpg https://www.gettyimages.com/detail/illustration/seamless-green-field-planting-agriculture-royalty-free-illustration/1385204442 https://commons.wikimedia.org/wiki/File:S65-63221_-_Gemini_6_Views_Gemini_7_(Retouched).jpg https://www.gettyimages.com/detail/illustration/normal-vestibular-system-and-vertigo-when-royalty-free-illustration/1422594606 https://www.youtube.com/watch?v=yNxPO6nYqLc https://images.nasa.gov/details-s66-42782 https://commons.wikimedia.org/wiki/File:4OTO-Sacc-JB4.jpg https://www.gettyimages.com/detail/illustration/vector-polygon-abstract-polygonal-geometric-royalty-free-illustration/577977282 https://commons.wikimedia.org/wiki/File:Astronauts_in_weightlessness.jpg https://commons.wikimedia.org/wiki/File:20G_centrifuge.jpg https://www.gettyimages.com/detail/photo/space-shuttle-in-sky-with-stars-and-clouds-rocket-royalty-free-image/1360144430 https://images.nasa.gov/details-51b-101-025