Many people with psychiatric and brain conditions also report gastrointestinal issues. New research indicates problems in the gut may cause problems in the brain, just as a mental ailment, such as anxiety, can upset the stomach.
Stanford’s Dr. Pasricha and colleagues examined this question in the lab by irritating the stomachs of newborn rats. By the time the animals were eight to 10 weeks old, the physical disturbance had healed, but these animals displayed more depressed and anxious behaviors, such as giving up more quickly in a swimming task, than rats whose stomachs weren’t irritated.
A Gut Check for Many Ailments (via blxnblcks)
This explains a lot.
