While all children can be naughty from time to time, the behaviour of children with conduct disorders is different.

BBC: Guide to help parents to spot 'problem behaviour'

During September, BBC Radio Cornwall's lunchtime phone in programme discussed conduct disorders.

BBC: Mental health: Conduct disorders

About half of children with antisocial behaviour or conduct disorders not only miss out on parts of their childhood but also go on to have serious mental health problems as adults.

BBC: Guide to help parents to spot 'problem behaviour'

The authors of the study point out ADHD can exist alongside other conditions such as conduct disorders, calling for further work to untangle the contribution these may make to criminal behaviour.

BBC: ADHD treatment 'may reduce risk of criminal behaviour'

This applies to interventions with children and youth suffering from common disorders, such as ADHD, Conduct Disorder, Anxiety, and Depression as well (Miller, Varhely, and Wampold, 2008).

FORBES: There Are No Silver-Bullets in Education Reform