" ... gut bacteria could be involved not just in maintaining health and disease, but processing drugs helping to explain, perhaps, why drugs affect people in different ways. " <http://blog.wired.com/wiredscience/2009/02/bacteriablood.html>http://blog.wired.com/wiredscience/2009/02/bacteriablood.html "People Who experience mood swings, fear, voices and visions"