The Autonomic Nervous System and PTSD

The autonomic nervous system has two components, the sympathetic and the parasympathetic. It's widely distributed throughout the body through these giant plexi,. These big nets of nerve over our pelvis, our abdomen, our chest. 80% of the vagus nerve is going back to the brain which was never ever discussed in medical school for me. And then there's the sympathetic nervous system, which is sort of the accelerator, sort of, of the nervous system.