You’ve probably heard that taking vitamin C or zinc will keep you from getting sick, but it turns out that those popular cure-alls don't actually work. We're conducting a survey of our viewers! If you have time, please give us feedback: www.surveymonkey.com/r/SciShowSurvey2017 Hosted by: Stefan Chin ---------- Support SciShow by becoming a patron on Patreon: 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: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: www.ur.umich.edu/0203/Mar10_03/15.shtml jamanetwork.com/journals/jamainternalmedicine/fullarticle/215118 www.ncbi.nlm.nih.gov/pubmed/24766384 www.ncbi.nlm.nih.gov/pubmed/16373990 www.quackwatch.org/01QuackeryRelatedTopics/pauling.html www.ncbi.nlm.nih.gov/pmc/articles/PMC3145266/ www.ncbi.nlm.nih.gov/pubmed/19263912 www.ncbi.nlm.nih.gov/pubmed/23440782 ajcn.nutrition.org/content/68/2/447S.abstract www.ncbi.nlm.nih.gov/pmc/articles/PMC2277319/ www.ncbi.nlm.nih.gov/pubmed/23775705 www.nap.edu/read/10026/chapter/14#486 www.health.harvard.edu/blog/zinc-for-the-common-cold-not-for-me-201102171498 www.fda.gov/food/resourcesforyou/consumers/ucm109760.htm www.nytimes.com/2015/02/07/opinion/herbal-supplements-without-herbs.html www.ncbi.nlm.nih.gov/pubmed/27748955 www.ncbi.nlm.nih.gov/pubmed/25420096 www.bmj.com/content/328/7438/499 www.ncbi.nlm.nih.gov/pubmed/23733381 ---------- Images: commons.wikimedia.org/wiki/File:L_Pauling.jpg

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