“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.”

Women can ask for adjustments and this may encourage some people to get tested, the Eve Appeal says.

The policy was brought in two years ago in England to try to encourage healthier food choices.

Two whistleblowers also believe the Leeds Teaching Hospitals NHS Trust’s maternity units are unsafe.

The stress test will involve thousands of people to help the UK prepare for potential future threats.