The two articles are pretty much identical. They showed up in my Google alerts, the first yesterday and the second today. Hopefully some studies can now be done to figure how to find the immune system imbalance that the articles mention.
http://www.sciencealert.com.au/news/20091712-20426.html
http://blog.taragana.com/science/2009/12/17/vital-clues-to-causes-of-inflammatory-bowel-disease-found-1058/
I think those theories have been around for a while....or at least it all sounds familiar to me.
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