Recent research shows that male fertility declines after the age of 40. Perhaps we all need to be a bit more honest about the choices we make• Christina Patterson is a writer, broadcaster and columnist
Sitting down could be as bad as smoking, but offices would get a bit crowded if everyone wandered around constantly – and beside, we all like a nice desk
New cases among gay men in London have fallen for the first time. We’re turning a corner, but there’s a lot to do to bring attitudes and awareness up to date