“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.”

“I did not want to confess my sexual fail and intimacy problems. After taking it my penis worked as a paving breaker and my wife had no reason to complain during whole night. We hooked on it and purchase with a discount.”

Experts are trying to find the best way to screen for prostate cancer, since blood tests alone are not accurate enough for most men.

STIs are particularly common among young people, with health experts saying testing for them is vital.

IAVI, Moderna and the University of Oxford are all working on new vaccines.

BBC Panorama has seen documents and spoken to former midwives from Nottingham University Hospitals NHS Trust.