Anxiety disorder is characterized by excessive worry, fear, and uneasiness, often disrupting daily life. Common causes include genetic factors, prolonged stress, traumatic experiences, and imbalanced brain chemistry. Symptoms range from restlessness, rapid heartbeat, and difficulty concentrating to panic attacks and sleep disturbances. Effective anxiety disorder treatment includes therapy, medication, and lifestyle changes. Seeking professional care from the best mental health rehabilitation center ensures personalized treatment plans and long-term relief.