How many types of mental illness?

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Mental illness can take many forms and it is difficult to quantify. However, some major classifications include the following:

1. Mood Disorders:

• Depression

• Bipolar Disorder

1. Anxiety Disorders:

• Generalized Anxiety Disorder

• Panic Disorder

• Social Anxiety Disorder

• Phobias

1. Schizophrenia and Other Psychotic Disorders:

• Schizophrenia

• Psychosis

1. Eating Disorders:

• Anorexia Nervosa

• Bulimia Nervosa

• Binge Eating Disorder

1. Personality Disorders:

• Borderline Personality Disorder

• Antisocial Personality Disorder

1. Obsessive-Compulsive and Related Disorders:

• OCD (Obsessive-Compulsive Disorder)

• Hoarding Disorder

1. Trauma and Stressor-Related Disorders:

• Post-traumatic stress disorder (PTSD)

• Acute Stress Disorder

1. Neurodevelopmental Disorders:

• Autism Spectrum Disorder

• ADHD

1. Neurocognitive Disorders:

• Dementia

• Alzheimer's disease

There are also other mental illnesses that manifest through different signs and symptoms. The diagnosis and treatment of each mental illness is different and depends on the patient's condition.