News Life Belly bacteria boss the brain Gut microbes can change neurochemistry and influence behavior Share this:FacebookTwitterPocketRedditPrintEmail By Tina Hesman Saey August 29, 2011 at 5:31 pm This article is only available to Science News subscribers. Subscribers, enter your e-mail address to access our archives. Client key* E-mail* Log in Not a subscriber? Science News is a nonprofit. Support us by subscribing now. Subscribe