Why Does COVID-19 Have So Many Symptoms?

For a respiratory disease, COVID-19 sure seems to affect more than just the respiratory system. Scientists think the receptor ACE2 is to blame. SciShow is supported by Brilliant.org. Go to https://Brilliant.org/SciShow to get 20% off of an annual Premium subscription. COVID-19 Playlist: https://www.youtube.com/playlist?list=PLsNB4peY6C6IQediwz2GzMTNvm_dMzr47 Hosted by: Olivia Gordon 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: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Kevin Bealer, Jacob, Katie Marie Magnone, Charles Southerland, Eric Jensen, Christopher R Boucher, Alex Hackman, Matt Curls, Adam Brainard, Jeffrey McKishen, Scott Satovsky Jr, James Knight, Sam Buck, Chris Peters, Kevin Carpentier, Patrick D. Ashmore, Piya Shedden, Sam Lutfi, Charles George, Christoph Schwanke, Greg, Lehel Kovacs, Bd_Tmprd ---------- 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.healthline.com/health-news/the-covid-19-symptoms-most-people-could-miss https://www.cdc.gov/coronavirus/2019-ncov/symptoms-testing/symptoms.html https://www.ncbi.nlm.nih.gov/books/NBK556152/ https://www.sciencemag.org/news/2020/04/how-does-coronavirus-kill-clinicians-trace-ferocious-rampage-through-body-brain-toes https://www.sciencedirect.com/science/article/pii/S128645791300155X https://pubmed.ncbi.nlm.nih.gov/15869762/ https://journals.lww.com/shockjournal/FullText/2016/09000/Pulmonary_Angiotensin_Converting_Enzyme_2__ACE2_.3.aspx https://fivethirtyeight.com/features/covid-19-is-a-respiratory-disease-so-why-is-it-affecting-patients-hearts-and-brains/ https://openoregon.pressbooks.pub/mhccmajorsbio/chapter/types-of-receptors/ https://academic.oup.com/cardiovascres/article/73/3/463/367423 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6083867/ https://www.hindawi.com/journals/ijpep/2012/256294/ https://www.sciencedirect.com/science/article/pii/S128645791300155X https://www.sciencedirect.com/science/article/pii/B9780128013649000250 https://www.uniprot.org/uniprot/P59594 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6083867/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7167588/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7164637/pdf/367_1260.pdf https://www.nature.com/articles/d41586-020-00502-w https://www.nature.com/articles/s41591-020-0868-6 https://pubs.acs.org/doi/10.1021/acschemneuro.0c00210 https://neurosciencenews.com/olfaction-coronavirus-16368/ https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(20)30937-5/fulltext https://immunology.sciencemag.org/content/5/47/eabc3582 https://www.authorea.com/users/311058/articles/441796-a-hypothesis-for-pathobiology-and-treatment-of-covid-19-the-centrality-of-ace1-ace2-imbalance https://www.medrxiv.org/content/10.1101/2020.05.31.20114991v1 https://www.covid19hg.org/about/ https://www.statnews.com/2020/04/10/coronavirus-ace-2-receptor/ https://www.lowell.k12.ma.us/cms/lib/MA01907636/Centricity/Domain/4/Coronavirus%20Lowell%20Prevention%20Message.pdf https://www.who.int/emergencies/diseases/novel-coronavirus-2019/question-and-answers-hub/q-a-detail/q-a-coronaviruses https://journals.lww.com/infectdis/fulltext/2007/01000/diarrhea_as_a_symptom_in_bacteremic_pneumococcal.9.aspx https://theconversation.com/ace2-the-molecule-that-helps-coronavirus-invade-your-cells-138369 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7102599/ https://science.sciencemag.org/content/367/6485/1444 https://theconversation.com/what-is-the-ace2-receptor-how-is-it-connected-to-coronavirus-and-why-might-it-be-key-to-treating-covid-19-the-experts-explain-136928 https://www.nature.com/articles/1002101 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2864711/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4107144 https://onlinelibrary.wiley.com/doi/abs/10.1002/ppul.20187 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3473006/ https://jamanetwork.com/journals/jamacardiology/fullarticle/2763843 https://journals.lww.com/ajg/Documents/COVID19_Carvalho_et_al_AJG_Preproof.pdf Image Sources: https://www.videoblocks.com/video/blood-vessels-of-human-body-h1t2kysgrjymps8s7 https://www.videoblocks.com/video/lab-mouse-albino-walking-off-screen-hwc0thmlxixsje07i https://bit.ly/3gxnxEe https://bit.ly/3gGaDUp https://www.istockphoto.com/photo/heart-human-heart-gm474242411-34878960 https://www.istockphoto.com/photo/the-doctors-take-care-of-covid-19-patient-gm1217942302-355713048 https://bit.ly/2O3xblQ https://bit.ly/38PEdnX https://www.istockphoto.com/photo/colon-gm168534047-17880478 https://www.videoblocks.com/video/scientist-working-with-petri-dishes-in-a-lab-sc7f7jtewj4q7akwp