“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 brought a young wife from Philippines and I am pretty addicted to sex despite my age. LOL. To support my libido I have been taking Cialis almost half of a year. Different doses are helpful different times. No problem with erection happened within this ...

“This is my second time that I used Levitra. It is ok medication able to solve my erection problems. It worked me up as with other similar drugs I was lost.”

The shift marks a significant rise over the last five years, but experts say there is no single, clear explanation for the increase.

Cambridge scientists say they have, for the first time, tested a vaccine designed by AI.

How a new scheme for young people leaving care is tackling what was once a cliff-edge for this vulnerable group.

Women taking the drug, which is kinder on the body, tell the BBC it has given them their lives back.