Cracking knuckles, biting nails, swearing…we’ve all got bad habits that we might feel a little bad about—but did you know these ‘bad’ habits actually have some surprising benefits? Join Hank Green for a fun new episode of SciShow!
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Sources:
(Knuckle Cracking)
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1004074/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1129752/
https://onlinelibrary.wiley.com/doi/epdf/10.1002/1529-0131199805415949AID-ART363.0.CO2-3
https://link.springer.com/article/10.1007/s11999-016-5215-3
https://press.rsna.org/timssnet/media/pressreleases/14_pr_target.cfm?ID=1851
https://www.loc.gov/rr/scitech/mysteries/joint.html
https://www.aurorahealthcare.org/services/orthopedics/conditions/crepitus#Overview
(Gum Chewing)
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4449949/
https://www.tandfonline.com/doi/abs/10.1179/147683010X12611460763526?src=recsys
https://www.ncbi.nlm.nih.gov/pubmed/11145462/
https://www.ncbi.nlm.nih.gov/pubmed/23375117/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4449948/
https://www.ncbi.nlm.nih.gov/pubmed/22747775
(Swearing)
https://www.sciencedirect.com/science/article/pii/S038800011400151X
https://www.emeraldinsight.com/doi/abs/10.1108/JMP-04-2016-0102
https://www.academia.edu/29725191/Frankly_we_do_give_a_damn_The_relationship_between_profanity_and_honesty
https://journals.lww.com/neuroreport/Abstract/2009/08050/Swearing_as_a_response_to_pain.4.aspx
https://www.wired.com/story/the-science-of-why-swearing-physically-reduces-pain/
(Nail biting)
https://pediatrics.aappublications.org/content/138/2/e20160443?sso=1&sso_redirect_count=1&nfstatus=401&nftoken=00000000-0000-0000-0000-000000000000&nfstatusdescription=ERRORNolocaltoken
https://www.sciencedirect.com/science/article/pii/S0363502387802174
https://www.researchgate.net/publication/284275097_The_human_microbiome_asthma_and_allergy https://www.elitedaily.com/life/culture/positive-side-nail-biting/749315
https://www.mayoclinic.org/healthy-lifestyle/adult-health/expert-answers/nail-biting/faq-20058548
https://www.baos.org.uk/resources/Temporomandibular(Jaw)JointProblems.pdf
https://danieladental.com/tmj-treatment/
(Complaining)
https://journals.aom.org/doi/abs/10.5465/256708
https://onlinelibrary.wiley.com/doi/abs/10.1002/jclp.10095
https://psycnet.apa.org/record/2002-08580-004
https://www.psychologytoday.com/gb/blog/the-couch/201410/whats-the-best-way-deal-help-rejecting-complainers
https://digest.bps.org.uk/2017/03/23/workplace-venting-makes-it-harder-to-bounce-back-from-bad-experiences/
https://www.cambridge.org/core/journals/child-psychology-and-psychiatry-review/article/cognitive-behaviour-therapy-in-childhood-depression/394443127404D965706CAE582EC9A054
IMAGES
https://en.wikipedia.org/wiki/Metacarpophalangeal_joint#/media/File:Grant_1962_104_MCP.png
https://commons.wikimedia.org/wiki/File:Staphylococcus_aureus_SEM.jpg#/media/File:Staphylococcus_aureus_SEM.jpg
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