Leaky gut the cause of several diseases?

http://www.thedailybeast.com/articles/2014/03/27/new-research-shows-poorly-understood-leaky-gut-syndrome-is-real-may-be-the-cause-of-several-diseases.html


As far back as the 1860s "auto-intoxication" by nasty gut microbes was thought to cause systemic disease and mental illness—and for decades well-respected scientists agreed. This idea fell out of favor in the last century—and was looked on with scorn as "unscientific."  Guess we had better go back....