Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Mental Disorders ?
    ### Response:
    Mental disorders include a wide range of problems, including       - Anxiety disorders, including panic disorder, obsessive-compulsive disorder, post-traumatic stress disorder, and phobias    - Bipolar disorder    - Depression    - Mood disorders    - Personality disorders    - Psychotic disorders, including schizophrenia       There are many causes of mental disorders.
    