Diagnosis

As far as our genetic library goes, the Y chromosome seems like a mere pamphlet. Just ask any cell with a pair of X chromosomes if it feels overly bothered by that trivial loss of DNA.

When a boy with a strange honeycomb pattern on his stomach was brought into the University Hospitals of Leicester emergency department, nursing staff suspected a case of spontaneous bruising. But something else was at play.

An innovative self-service sexual health clinic has opened in Soho, London, where anyone can be screened free of charge six days a week, while only waiting six hours to get their results back.