With Regard to Posttraumatic Stress Disorder (PTSD)

With regard to posttraumatic stress disorder (PTSD) ,

A) PTSD is an environmental disorder with no genetic roots.
B) PTSD is a problem noted after middle age.
C) women are more likely than men to experience severe trauma.
D) women are more likely than men to develop PTSD.
E) PTSD results in poor psychological functioning without problems in physical health.