“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.”

Your group is the most professional of any online pharmacy that I have ever done business. Looking forward to dealing with you in the future and I will be telling family and friends to do the same.

Surgeries will be financially rewarded if patients with long term conditions see the same GP each time.

AI can spot patterns in the data from blood tests that can give an early warning of disease.

Public-health experts are calling for minimum pricing to stop further rises in harmful drinking.

Jodee Seeley tells BBC Newsnight she is considering legal action against Great Ormond Street Hospital.