Why is promoting fidelity in the implementation of evidence-based prevention programs like singing an Irish ballad? The policy co-ordinator at Penn State’s Prevention Research Center, Brian Bumbarger, explains the connection between the oral tradition and effective practice.

There is tantalizing evidence that we are not only physically and mentally affected by what we eat but that we might also be drawn towards certain foods according to our state of mind – and body.

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”.