Is Viagra a cure or a curse? As Britain is the first country to make it available over the counter, JOHN NAISH on the wonder sex drug

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Scientists at the pharmaceutical company Pfizer discovered the powers of Viagra (sildenafil citrate) by accident in the early Nineties during trials of a potential new angina drug named UK-92480.

Angina is a condition in which the vessels that supply the heart with blood constrict, triggering chest pain and breathlessness.

UK-92480 was found to do little to relieve pain, and Pfizer was on the verge of abandoning the drug when reports began to show a distinctive pattern; many male trial volunteers were experiencing an unusual side-effect . . . erections.

feb942b18d93659fc752bd963afd4b73 Is Viagra a cure or a curse? As Britain is the first country to make it available over the counter, JOHN NAISH on the wonder sex drug

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