Bacteria may be doing the thinking for you. Science Daily reports:
For the first time, researchers have conclusive evidence that bacteria residing in the gut influence brain chemistry and behavior.
The findings are important because several common types of gastrointestinal disease, including irritable bowel syndrome, are frequently associated with anxiety or depression. In addition there has been speculation that some psychiatric disorders, such as late onset autism, may be associated with an abnormal bacterial content in the gut.
Read more at disinfo.com
