I picked this up from Crohn's Google search. Interesting read and more interesting the comments.
http://blogs.discovermagazine.com/gnxp/2011/08/crohns-disease-is-about-barely-keeping-you-alive/
http://blogs.discovermagazine.com/gnxp/2011/08/crohns-disease-is-about-barely-keeping-you-alive/