Anxiety Disorders: A group of disorders marked by excessive fear or worry, including generalized anxiety disorder (GAD), social anxiety, and panic disorders. Specialists: Psychiatrists, Psychologists, Cognitive-Behavioral Therapists, Mindfulness-Based Therapists, Psychiatric Nurse Practitioners. Treatments: Psychotherapy (CBT, exposure therapy), anti-anxiety medications (SSRIs, benzodiazepines), mindfulness training, and relaxation techniques.