I could be mistaken, but I have read a lot of info that makes it sound like extraintestinal manifestations are more than theory. This is one of a long list of articles/studies I have read.
www.ncbi.nlm.nih.gov/pmc/articles/PMC3127025/Post Edited (UCwhat?) : 8/21/2014 8:24:44 AM (GMT-6)