Peter McGill, Co-Director of the Tizard Centre is one of the authors of a recently published position paper on the prevention of behavioural and emotional difficulties in people with intellectual disabilities. This has been published on behalf of the Special Interest Group on Challenging Behaviour and Mental Health of the International Association for the Scientific Study of Intellectual Disabilities (IASSID).
For a copy of the paper: http://www.kent.ac.uk/tizard/documents/prevention.pdf