“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 ...

I have tried Viagra and Cialis before and must say that Levitra causes less side effects though. I had terrible headache with Viagra which made sex impossible sometimes. With Levitra I forgot about it. I would recommend it to anybody who has similar problems ...

The method was pioneered by UK scientists to overcome devastating, sometimes fatal inherited diseases.

It also recommends PAs and AAs wear standardised clothing and badges to distinguish them from doctors.

UK Biobank scientists say the human body can be studied in greater detail than ever thanks to people like Steve.

Resident doctors in England will strike over pay for five days from 25 July.