This document provides information about bipolar disorder including its description, causes, symptoms, prevention, and treatment. Bipolar disorder is characterized by extreme shifts in mood and energy levels that make daily tasks difficult. It has genetic and biological causes and can be triggered by environmental factors. Symptoms include manic episodes involving euphoria and decreased need for sleep, and depressive episodes with sadness and fatigue. Treatment involves medication, therapy, sleep management, social support, and lifestyle changes like a healthy diet and exercise. The goal is to stabilize moods and prevent manic or depressive episodes.