Trauma tends to have effects that last long after the traumatic incident in a person's life.
Witness the recognition in modern times of PTSD, Post Traumatic Stress Disorder.
Dr. Bessel Van Der Kolk started working with stressed-out veterans before PTSD was even an official diagnosis.
Now he examines the many ways in which stress can alter the body and mind permanently, if not treated propertly.
His book is The Body Keeps The Score. Dr. Van Der Kolk joins us.