http://www.cnn.com/2009/HEALTH/05/27/10.rare.diseases/index.html?iref=24hours
http://list25.com/25-crazy-diseases-science-cant-explain/
http://www.knowable.com/a/10-rare-and-unusual-diseases-that-science-just-cant-explain
http://www.planetdolan.com/14-diseases-science-cant-explain/2/
https://www.cdc.gov/ncezid/dfwed/diseases/brainerd-diarrhea/
https://en.wikipedia.org/wiki/Multiple_chemical_sensitivity
https://en.wikipedia.org/wiki/Sudden_infant_death_syndrome
http://www.moredun.org.uk/news/bleeding-calf-syndrome-update
http://well.blogs.nytimes.com/2014/06/23/alice-in-wonderland-syndrome/?_r=0
http://www.mayoclinic.org/morgellons-disease/art-20044996