(n.d.). NIMH RSS. Retrieved April 11, 2014, from http://www.nimh.nih.gov/health/topics/obsessive-compulsive-disorder-ocd/index.shtml. Understanding obsessive-compulsive and related disorders. (2014, January 1).
: Symptoms, Treatment, And Self‚ÄìHelp. Retrieved March 16, 2014, from http://www.helpguide.org/mental/generalized_anxiety_disorder.htm MD, J. G. (2014, February 18). Anxiety Disorder Symptoms, Treatment, Medications for Generalized Anxiety Disorder (GAD) - MedicineNet. MedicineNet. Retrieved March 18, 2014, from http://www.medicinenet.com/anxiety/article.htm#generalized_anxiety_disorder_facts Mohr, C., & Schneider, S. (2013).
Retrieved May 1, 2014, from http://voices.yahoo.com/posttraumatic-stress-disorder-biological-connection-1435893.html?cat=72 Post-Traumatic Stress Disorder (PTSD). (n.d.). : Symptoms, Treatment and Self-Help. Retrieved May 1, 2014, from http://www.helpguide.org/mental/post_traumatic_stress_disorder_symptoms_treatment.htm
The True Causes of Depression. Retrieved on 02 May, 2014, from http://www.psychologytoday.com/blog/happiness-in-world/200910/the-true-cause-depression Smith, M (2014) Depression Symptoms & Warning Signs. Retrieved on 20 Apr, 2014, from http://www.helpguide.org/mental/depression_signs_types_diagnosis_treatment.htm