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Sources:
http://www.pewsocialtrends.org/files/2010/10/millennials-confident-connected-open-to-change.pdf
http://www.popsci.com/science/article/2013-06/fyi-what-makes-tattoos-permanent
http://www.merckmanuals.com/home/skin-disorders/biology-of-the-skin/structure-and-function-of-the-skin
http://www.fda.gov/ForConsumers/ConsumerUpdates/ucm048919.htm
https://www.washingtonpost.com/news/speaking-of-science/wp/2015/07/28/all-the-science-that-goes-into-a-single-tattoo/
http://www.thelancet.com/journals/lanonc/article/PIIS1470-2045(11)70340-0/abstract
http://www.westlakedermatology.com/blog/9-factors-that-determine-tattoo-removal-success/
http://www.jcasonline.com/article.asp?issn=0974-2077;year=2015;volume=8;issue=1;spage=16;epage=24;aulast=Sardana
Image Sources:
https://commons.wikimedia.org/wiki/File:Macrophages_undergo_mitosis_after_ingesting_a_fungal_cell.jpg
https://commons.wikimedia.org/wiki/File:NIH_3T3.jpg
https://commons.wikimedia.org/wiki/File:Laser_Tattoo_Removal_Alice_Pien_MD_AMAskincare.jpg