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treatments for mental disorder vary depending on the theory behind the mental disorder, research of various therapies, and the efficacy (success) of the treatments against the disorder. The biological approach to mental disorders is often associated with the medical model, which includes the use of medications to treat and/or manage the symptoms related to a particular mental disorder. Genetic factors have been a significant part of diagnosing disorders related to developmental disabilities, such as Down’s syndrome. However, as the understanding of genetics and their interactions with environmental catalysts grows, a greater understanding of the onset of mental disorders is also growing.