Post-Traumatic Stress Disorder (PTSD)

http://en.wikipedia.org/wiki/Posttraumatic_stress_disorder
http://www.helpguide.org/mental/post_traumatic_stress_disorder_symptoms_treatment.htm
http://www.cmha.ca/mental_health/post-traumatic-stress-disorder/
http://www.mayoclinic.com/health/post-traumatic-stress-disorder/DS00246
http://www.nimh.nih.gov/health/topics/post-traumatic-stress-disorder-ptsd/index.shtml
http://www.webmd.com/anxiety-panic/guide/post-traumatic-stress-disorder