Why Does Scratching Make Itching Worse?

From the creator

It’s hard to resist the urge to scratch an itch, but doing so could help break that vicious cycle of itchiness. Hosted by: Stefan Chin Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Lazarus G, Sam Lutfi, D.A. Noe, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, Tim Curwick, charles george, Kevin Bealer, Chris Peters ---------- 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.eurekalert.org/pub_releases/2014-10/wuso-wsm102814.php https://www.scientificamerican.com/article/why-does-scratching-an-itch-make-it-itchier/ https://www.cell.com/neuron/abstract/S0896-6273%2814%2900901-5 https://www.ncbi.nlm.nih.gov/books/NBK27940/ http://www.caltech.edu/news/microbes-help-produce-serotonin-gut-46495 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2991051/ https://www.nature.com/news/scientists-discover-molecular-trigger-for-itch-1.13061

Published 2018-08-21 · Watch on YouTube ↗
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