Facts To Know!! Behaviour disorders can be linked to a family history of challenging behaviour, family stress and poor emotional and behaviour management. People who come from communities with a lot of stress on a regular basis are more likely to experience symptoms of behavioural problems. The low socio-economic status and the lack of acceptance by their peers appears to be a risk factor for the development of behavioural disorders. Injuries to certain areas of the brain may result in behavioural disorders. Behavioural disorders usually co-occur with various mental health problems. Behavioural Disorder Watch short video introduction on what Behavioural Disorder looks like.