The Science Behind the Pimple Popping Phenomenon

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For some reason, popping pimples gives many people a satisfying rush - but why? And why is there a whole television show dedicated to watching other people do it?!

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Sources:
https://digitalcommons.wcupa.edu/cgi/viewcontent.cgi?article=1025&context=musichtc_facpub
https://www.ncbi.nlm.nih.gov/pubmed/28478137
https://royalsocietypublishing.org/doi/full/10.1098/rstb.2014.0108
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4553506/
https://www.sciencedirect.com/science/article/abs/pii/S0010440X16303078
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2719449/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4712759/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4491543/
https://www.vice.com/en_us/article/7xqvwz/popping-pimples-satisfying
https://nyaspubs.onlinelibrary.wiley.com/doi/abs/10.1111/j.1749-6632.1988.tb38612.x?sid=nlm%3Apubmed

Image Sources:
https://commons.wikimedia.org/wiki/File:Dopamine.svg