“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.”

“It is not fair that everybody knows about Viagra, Levitra worked perfectly for me and moreover it is less expensive and easier to find. I almost have not experienced any side effects, at least those severe to make sex impossible. Works like a charm.”

The advertising watchdog says they also must not make misleading claims that sunbeds can treat skin conditions or improve mental health.

Consultants in England were due to walk out on 25 November in disputes over pay and working conditions.

Baroness Casey criticises variability of services and fees charged to self-funders in England.

Three pills came top and outperformed Prozac for preventing relapse in a large number of patients.