Brain damage refers to injury or impairment of brain tissue that disrupts normal cognitive, physical, emotional, or behavioral functioning. It may result from traumatic events such as head injury, stroke, lack of oxygen (hypoxia), infections, tumors, toxins, or degenerative diseases. Symptoms vary widely depending on the area and severity of damage and can include memory loss, difficulty concentrating, speech problems, mood changes, impaired coordination, weakness, or altered consciousness. Brain damage may be temporary or permanent, and recovery depends on factors such as the cause, extent of injury, age, and promptness of treatment. Management often involves emergency medical care, rehabilitation therapies, medications, and long-term support to improve function and quality of life.