This article is on the Blog/Site Listverse – Click HERE for the article!
I think my favorite is Cotard delusion!!!
“…a rare psychiatric disorder in which a person holds a delusional belief that he or she is dead, does not exist, is putrefying or has lost their blood or internal organs. Rarely, it can include delusions of immortality.”
Zombie Delusion…I mean Cotard Delusion Food Pyramid Courtesy of GeekStir.com