psychology

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How should you grieve?

The pain and sorrow of bereavement is supposed to get easier to bear as time passes. But what if it doesn’t? Psychiatrists call it ‘complicated grief’ – and it can be treated. Andrea Volpe reports.

Why do people cheat?

It seems we are never far away from an athletics doping scandal, but game theory explains why it is well worth the effort - if you don't get caught.