Purple urine and feces make porphyria infamous , as does the fact that the `` mad '' 18th century English King George III may have suffered from it . A look at some of the rarest diseases in the world . Morgellons sufferers see strange powers emerge from their bodies . Disease like Progeria sees the healing process accelerate much faster than usual .
A look at some of the rarest diseases in the world . Morgellons sufferers see strange powers emerge from their bodies . Disease like Progeria sees the healing process accelerate much faster than usual .