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“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.”

A new DNA test could help screen whether patients require the treatment or not, according to a new international trial.

The White House releases the results of the US president's latest medical examination, which states he is "fully fit" to carry out his duties.

The plans are part of a government bill to modernise the NHS in England, which is currently going through parliament.

Only men with a dangerous genetic variant and a family history of cancer should be offered screening, say UK advisors.