Choose the right “operating system” when introducing prevention programs and your worries that faithful implementation and local ownership are mutually exclusive might just fade away.

Two studies suggest a strong link between troubled family life, poor sleep and developmental setbacks – and also give a hint that prevention scientists might benefit from brushing up their Shakespeare.

Philadelphia researchers argue that so extreme has been the emotional climate generated by the US administration's preoccupation with a war on terror that investigation is warranted into the effects on young people of what they call “secondhand terrorism”.