No Judging: At one point you've probably put a finger in your ear and dug out some rather unsightly ear wax, but why does your body produce this yellowy substance in the first place?

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Sources:

https://www.britannica.com/demystified/why-do-we-have-earwax
http://www.nature.com/ng/journal/v38/n3/abs/ng1733.html
https://medlineplus.gov/ency/article/000979.htm

https://academic.oup.com/qjmed/article/97/8/477/1588624/Impacted-cerumen-composition-production
http://commonhealth.legacy.wbur.org/2012/11/q-tips-ears-danger
http://www.entnet.org/content/earwax-and-care
https://www.ncbi.nlm.nih.gov/pubmed/16835926
http://onlinelibrary.wiley.com/doi/10.1002/ar.a.20356/full
http://europepmc.org/abstract/med/1870171