“Hi everybody, I am Dave from UK. Erection has become a problem for me since I put on a lot of weight and fought with obesity for years. I did not want to surrender. I had nothing to lose and ordered Cialis. I take it once in 7 days, this weekend tab, ...

“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.”

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.

Sudden cardiac death can happen without warning, and it's not just a problem for sporty young men, say experts.