Complex sentence: While there, Brick, a Korean War veteran, is provoked into fighting a fellow student, and, afterward, suffers from the effects of a dissociative psychotic episode due to an ongoing battle with Posttraumatic Stress Disorder (PTSD).
Split into simpler sentences: While there, Brick, a Korean War veteran, is provoked into fighting a fellow student. Afterward, he suffers from the effects of a dissociative psychotic episode due to an ongoing battle with Posttraumatic Stress Disorder (PTSD).