Gosh, the BMJ is suddenly full of interesting articles. I must skim past them all or I shall start sounding like a creep. I shall confine myself, by long tradition, to curmudgeonly remarks on the boring bits (the clinical papers).

A cluster randomised trial of a specially designed sex education programme (SHARE) for Scottish schoolgirls ended with both groups having an equal share of pregnancies. Cue an editorial from Trevor Stammers to sell his ideas on abstinence (“saved sex