Most Painful Things A Human Can Experience

https://www.scienceabc.com/humans/how-much-pain-can-humans-really-handle.html
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC435000/pdf/jcinvest00563-0091.pdf
http://io9.gizmodo.com/5900319/scientists-created-a-pain-measurement-scale-by-burning-the-hands-of-women-in-labor
http://www.md-health.com/Passing-Out-from-Pain.html
https://en.wikipedia.org/wiki/Pain_scale
http://www.menshealth.com/guy-wisdom/6-pains-worse-than-childbirth
http://list25.com/25-worst-pains-humans-can-experience/
https://www.unilad.co.uk/crazy/this-is-what-it-feels-like-to-be-on-fire/
http://www.webmd.com/pain-management/guide/pain-caused-by-burns
https://pricebenowitz.com/dc-injury/burn-injury-degree-categories
https://www.migrainetrust.org/about-migraine/types-of-migraine/other-headache-disorders/cluster-headache/
https://www.migrainetrust.org/about-migraine/types-of-migraine/other-headache-disorders/cluster-headache/
https://treato.com/Cluster+Headaches,Heroin/?a=s
http://www.thedailybeast.com/longtime-sufferers-of-cluster-headaches-find-relief-in-psychedelics
http://www.nhs.uk/Livewell/Pain/Pages/20-painful-conditions.aspx
https://patient.info/forums/discuss/browse/shingles-2094
http://www.mayoclinic.org/diseases-conditions/kidney-stones/symptoms-causes/dxc-20319562
http://www.webmd.com/kidney-stones/ss/slideshow-kidney-stones-overview
http://bleacherreport.com/articles/1392178-a-former-players-guide-to-the-8-most-painful-injuries-in-football
http://www.mothering.com/forum/47-vaccinations/193325-my-tetanus-experience.html
http://apps.who.int/immunization_monitoring/globalsummary/timeseries/tsincidencettetanus.html
https://patient.info/forums/discuss/worst-pain-ever-questions-please--18523
http://www.walesonline.co.uk/news/health/how-tooth-abcess-turned-worst-1803621
http://www.bbc.com/news/uk-wales-23181650
http://www.dailymail.co.uk/health/article-2434821/Trigeminal-Neuralgia-First-kiss-years-father-suffered-agonising-pain-slightest-touch.html
https://www.bustle.com/articles/84782-what-does-labor-feel-like-25-women-talk-about-what-it-really-feels-like-to-give
https://www.bustle.com/articles/84782-what-does-labor-feel-like-25-women-talk-about-what-it-really-feels-like-to-give