> Remove those dangers, and remove most of the struggle (although we will always re-define what struggle is) and we're a bit like fish out of water. We're still

> Remove those dangers, and remove most of the struggle (although we will always re-define what struggle is) and we're a bit like fish out of water. We're still trying to adapt. I suppose this is a bit like that one theory of allergies and autoimmune disorders; they may be caused because we aren't exposed to parasites anymore. That part of the immune system thus never gets trained and can sometimes go haywire.