Is it OK … to join a gym?

Leo Hickman: There are many who pedal or row furiously on a machine in a gym and wonder why all the energy isn't being harnessed somehow and made to, say, power the television showing MTV above their heads. They are right to wonder this. You would have the added incentive that if you stopped pedalling, the loud music video driving you on, or the cooling air, would cease.

Junk food banned in schools from September

A ban on confectionery, crisps and fizzy drinks being provided in schools looks certain to begin in September following the publication of advice to ministers by the new School Food Trust.

The other sexual dysfunction

Matt Seaton: Pretty serious news the other day for cyclists. According to US research, riding a bike reduces the blood flow to, ahem, vital regions, causing first numbness, then impotence.