Born Naughty?

The doctors meet 8-year-old Bobby, who won't eat anything except chocolate, sweets, cakes, chips, cheese, yogurt and baked beans; 3-year-old Jessi-Jai is still not speaking in sentences and is constantly throwing tantrums.

The doctors meet nine-year-old Thomas, who is very rigid in his thought patterns and finds change difficult; Thomas finds it hard to socialize with other children and is obsessed with Lego.

The doctors meet eight-year-old Charlie, who can be so destructive and violent that his mum Maxine has had to call the police; Dr Ravi and the experts wonder if a controversial new diagnosis might be an issue.