GATE: Generalized Anxiety - A Treatment Evaluation

Inclusion Criteria: * Male or female outpatients \> 18 years of age with a primary psychiatric diagnosis of generalized anxiety disorder * Clinical Global Impression-Severity scale (CGI-S) score of 4 or higher * Off concurrent psychotropic medication for at least 2 weeks prior to initiation of randomized treatment, OR stable on current medication for a minimum of 6 weeks and willing to maintain a stable dose * Willingness and ability to perform the yoga intervention and to comply with the requirements of the study protocol. * For women of childbearing potential, willingness to use a reliable form of birth control Exclusion Criteria: * Patients unable to understand study procedures and participate in the informed consent process. * Pregnancy as assessed by pregnancy test at screen or lack of use approved methods birth control for women of childbearing age * Women who are planning to become pregnant * Serious medical illness or instability for which hospitalization may be likely within the next year * Significant current suicidal ideation or suicidal behaviors within the past 6 months (assessed with the Beck Depression Inventory-II \[BDI-II\]) * History of head trauma causing loss of consciousness, or seizure disorder resulting in ongoing cognitive impairment * Posttraumatic stress disorder, substance use disorder, eating disorder, or organic mental disorder within the past 6 months * Lifetime history of psychotic disorder, bipolar disorder, or developmental disorder * Significant personality dysfunction likely to interfere with study participation (assessed during the clinical interview) * Prior experience with (more than 5 Yoga classes or CBT sessions within the last 3 years) and/or current practice of mindbody techniques (e.g., yoga, meditation, Tai-Chi, etc) or cognitive behavioral therapy (CBT) * Concomitant therapy for generalized anxiety disorder (GAD) (any therapy) * Physical conditions that might cause injury from yoga (pregnancy, physical injuries and musculoskeletal problems) * Cognitive impairment (MOCA\<21)