Psychoneuroimmunology and Trauma

Psychoneuroendocrinology is a field of biomedical research that focuses on the association between neuroendocrine functions and psychological status, especially as this relates to the production of steroids in biological alterations and psychiatric illness. Research has shown that exposure to severe psychological stress can result in mental health disorders, including posttraumatic stress disorder. About 5% of men and 10% of women in the United States have had posttraumatic stress disorder (PTSD) in their lifetimes as a result of such exposures. Although level of exposure is commonly associated with the impact of traumatic events, other risk factors are also implicated, including neurogenetic factors. The psychosocial components of PTSD are now recognized, and the underlying neurobiological basis of this disorder is becoming clearer.

Research suggests that physiological responses to ...