Here’s a surprise: rates of sexually-transmitted diseases are high among performers in the adult film industry.

Clusters of anything – suicides, birth defects, diseases – are a magnet to journalists.

Radio 4’s Today programme and at least two newspapers, the Daily Telegraph and the Daily Mail, reported news earlier this week from the Institute of Psychiatry in London o

Is the UK doing enough to identify and treat infections by HIV and hepatitis? The evidence suggests that it is not, and that complacency in the face of these threats is unjustified.