Cognitive behavioral therapy (CBT), defined as a program of interventions that utilize education to teach relaxation, healthy coping skills, stress management, assertiveness training in order to help the individual identify and correct maladaptive beliefs in combination with education to help practice symptom reduction and improve quality of life and function. Patients will participate in eight forty-five minute sessions of CBT with a mental health therapist in order to help treat generalized anxiety disorder, anxiety disorder due to another medical condition (familial dysautonomia), major depressive disorder, persistent depressive disorder (dysthymia), substance/medication- induced depressive disorder, depressive disorder due to another medical condition.