It reminds me of Dennett's analogy that compares religion to a lancet fluke:
![[Image: LancetLiverFluke2.jpg]](https://images.weserv.nl/?url=www.reed.edu%2Fbiology%2Fprofessors%2Fsrenn%2Fpages%2Fteaching%2Fweb_2010%2FGMKlancetliverfluke%2Fimages%2FLancetLiverFluke2.jpg)
http://en.wikipedia.org/wiki/Dicrocoelium_dendriticum
It hijacks the brain of it's host and makes it do things that are not advantageous to the survival to the creature it inhabits. The host commits suicide as an expense to the fluke's survival. It's pretty crazy stuff!
![[Image: LancetLiverFluke2.jpg]](https://images.weserv.nl/?url=www.reed.edu%2Fbiology%2Fprofessors%2Fsrenn%2Fpages%2Fteaching%2Fweb_2010%2FGMKlancetliverfluke%2Fimages%2FLancetLiverFluke2.jpg)
http://en.wikipedia.org/wiki/Dicrocoelium_dendriticum
It hijacks the brain of it's host and makes it do things that are not advantageous to the survival to the creature it inhabits. The host commits suicide as an expense to the fluke's survival. It's pretty crazy stuff!