“We were at the edge of divorce when I decided to try this. Years and years without delight of orgasm and sexual satisfaction. This could ruin any life but not ours. Viagra worked and I always keep the pill near my bed as nobody knows when my wife asks ...

“It is not fair that everybody knows about Viagra, Levitra worked perfectly for me and moreover it is less expensive and easier to find. I almost have not experienced any side effects, at least those severe to make sex impossible. Works like a charm.”

Scientists are mapping out the 37 trillion cells of the human body and changing what we thought we knew

Sodium oxybate can offer temporary relief, in a similar way to drinking alcohol, a trial suggests.

The health secretary says fears over physician associates need looking at, but laments nature of debate.

BBC Scotland's political editor was diagnosed with an incurable cancer after having a seizure.