Almost everyone can name someone who has or had a mental illness. In today's world mental illness can be just as disabling as a physical illness. About twenty-six percent of adults in America have an undiagnosed mental illness. Mental illness in America has always been a prevalent problem. What exactly is a mental illness? A mental illness is any health condition that affect your thinking, mood, and behavior. Many people have a mental health concern from time to time. A mental health concern only becomes am illness if there are ongoing symptoms and signs that cause stress and affects the ability for someone to function. Some examples of mental illnesses include anxiety disorders, schizophrenia, eating disorders, depression, and addictive behaviors. Anxiety is a type of mental illness that affect about 40 million Americans eighteen years old and older in any given year. Anxiety causes people to be filled with fear and uncertainty. One example of anxiety is panic disorder; panic disorder causes sudden attacks of terror. Symptoms of panic attacks include a pounding heart, weakness, sweatiness, faintness, or dizziness. Obsessive-compulsive disorder is another type of anxiety. Obsessive-compulsive disorder causes persistent, upsetting thoughts. People with obsessive-compulsive disorder use rituals to control the anxiety the thoughts cause. Another type of mental illness is depression. Depression is characterized by sadness that interferes with daily life and causes pain for the person suffering with it. There are many types of depression disorders. One type is major depression, this is severe symptoms that interfere with your ability to work, sleep, eat, study, and enjoy life. Another type of depression is postpartum depression. Postpartum depression is when the new responsibility of caring for a newborn becomes overwhelming. Seasonal affective disorder is another type of depression. This depression is characterized by depression that last