“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.”

When I placed an order for my granddad I gave his address and my phone and it took a bit longer to deliver the products because they phoned me and my granddaddy to check everything and I was nervous because of it. I understand that they work like this ...

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.