Systemic, legal and ethical issues management of mental illness in people with intellectual disability You are here:HomeOur ServicesDepartments and ServicesVVictorian Dual Disability ServiceVDDS Training Systemic issues that impact on managing people with intellectual disability and co-morbid mental disorders are considered and include topics such as human rights, legislation, professional factors as well as service structure and delivery. This includes a review of the ethical issues that may arise in the course of management.