Purpose~There are two main purposes of the study The first is to study the diet and heath of persons with intellectual disabilities. The second is to increase their knowledge on nutrition and health and that of service providers in municipalities housing facilities and to test, in an intervention, the effects of a method for weight reduction in adult persons with intellectual disabilities with overweight and obesity. Physical activity is also an important factor in weight reduction, but this study focuses only on nutrition, to obtain new information on this one factor in weight reduction. A combined study with many changes in a short period of time is very challenging for the group in question.~The vision is that results from this study will lead to improved health promotive and preventive services in the municipality in the future, to adult persons with intellectual disabilities and that this study also can have effects on services also for other groups, such as those with the fields of psychiatry and drug problems.
Goal The overall aim of the study is to improve the health of persons with Intellectual disabilities