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4. In the absence of sufficient cognitive tools, some people have difficulty coping with
everyday pressures and understanding what is happening around them, a situation that
creates stress, anxiety, and distress.
5. People with IDD are unfortunately more exposed to harm by carers and other entities. This
harm in itself can lead to mental disorder.
6. The psychological impact of being different (particularly common among teenagers and
young adults with slight intellectual disability).
In practice, when a person has a dual diagnosis it is difficult to determine one single factor
behind the mental disorder. For the most part, it is the result of a number of factors that all
contribute, one way or another, to creating the problem.