Mood, Gut Bacteria, and the Immune System
Many people would be surprised that the immune system, the gastro-intestinal tract and stress interact, but that is what the most recent of a number of studies shows. In this study on mice, (Brain, Behavior, and Immunity Volume 25, Issue 3, March 2011, Pages 397-407.) researchers demonstrated that psychological stress causes almost immediate changes to the gut bacterial population and that some of these affecte...
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