Flutterby™! : intestinal bacteria and anxiety

McMaster University: That anxiety may be in your gut, not in your head:

"The exciting results provide stimulus for further investigating a microbial component to the causation of behavioural illnesses..."

Via MeFi.

Abstract in Gastroenterology: The Intestinal Microbiota Affect Central Levels of Brain-Derived Neurotropic Factor and Behavior in Mice. More in Chronic Gastrointestinal Inflammation Induces Anxiety-Like Behavior and Alters Central Nervous System Biochemistry in Mice (PDF)