Why Does Scratching Make Itching Worse

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=DW3avhsIuJE

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: / 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: / scishow • Twitter: / scishow • Tumblr: / scishow • Instagram: / thescishow • ---------- • Sources: • https://www.eurekalert.org/pub_releas... • https://www.scientificamerican.com/ar... • https://www.cell.com/neuron/abstract/... • https://www.ncbi.nlm.nih.gov/books/NB... • http://www.caltech.edu/news/microbes-... • https://www.ncbi.nlm.nih.gov/pmc/arti... • https://www.nature.com/news/scientist...

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