“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.”

Why I must buy expensive pills while I can get generics on line with delivery to my place and for considerably lower price. I am ready to accept the situation that customer support sometimes can be dull when I want to trace my order.

The method was pioneered by UK scientists to overcome devastating, sometimes fatal inherited diseases.

It also recommends PAs and AAs wear standardised clothing and badges to distinguish them from doctors.

UK Biobank scientists say the human body can be studied in greater detail than ever thanks to people like Steve.

Resident doctors in England will strike over pay for five days from 25 July.