But they produce children who learn better, develop critical life skills, have fewer problems in childhood and adolescence, commit fewer crimes, earn more money, and just generally live happier, stabler, more productive lives.

FORBES: The Importance of Early Childhood Intervention on Student Achievement

Many psychiatric disorders that are thought of as problems of adulthood actually often arise for the first time in adolescence and by examining the scans of his volunteers Prof Bullmore hopes to learn whether at their root these conditions are abnormalities in brain development.

BBC: Brain scan study to understand workings of teenage mind