“I take 20 mg Cialis pill and it works as expected but after sexual intercourse I sometimes feel muscle pain in the back and fatigue. I do not know if this is because I work like a stud or it is a side effect. Anyway I am lucky that I gave it a try.”

I am satisfied with quality of products and service. On line chat was helpful when I had questions. My order arrived in a matter of days exactly the same as I saw at the site. No blames.

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.

The drug, daraxonrasib, has been hailed as a breakthrough in managing the deadliest of all the major cancers.