Approximately one out of three people will experience one or more psychological conditions at some point in their lifetime. If you are interested in learning more about a psychological disorder and its symptoms, please click on the appropriate condition. There, you will find definitions of the condition, recommended long term treatment goals, and a website to give you further information. The information given should not be used for a self-diagnosis, but rather a guide to assist you in understanding the condition and its symptoms. If you have further questions or if you are facing a condition that is not on the list, visit The American Psychological Association website at http://www.apa.org/topics/index.aspx. The American Psychological Association is a recommended credible source regarding mental health conditions and best practices in treatment.