History of Cognitive Behavioural Therapy(CBT) for Generalized Anxiety Disorder

–Background/history of treatment- CBT history of GAD disorder. How have the treatment approaches changed over time regarding the GAD disorder?

–Appropriateness of treatment for the population being discussed. Focusing on prevalence rates in Canadian society. When does onset happen, is there any population that is more vulnerable to the GAD disorder, etc.

Research focuses on the most current information, past 5 to 10 years, except when citing seminal works, e.g. Beck, etc.