A severe, often crippling mental illness, bipolar disorder is characterized by drastically different moods that swing between the lows of depression and extreme highs known as mania. Through objective overviews, primary sources, and full-color illustrations, this title examines, What Is Bipolar Disorder? What Causes Bipolar Disorder? How Does Bipolar Disorder Affect People's Lives? and Can People Overcome Bipolar Disorder?