The name The name of my book is Mental Illness by Gilda Berger. Mental illness is a disorder characterized by disturbances in a person’s thoughts, emotions, or behavior. The term mental illness can refer to a wide variety of disorders, ranging from those that cause mild distress to those that severely impair a person’s ability to function. Today, mental illness is considered to range from such ideas as eating disorders to personality disorders. Mental illnesses have been reported as far back as to 4000-5000 years ago. The reason scientists believe that mental illness has existed this long is due to