Little truth about a great thing. About VIAGRA!

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"Viagra" - the most famous brand in all over the world of remedy for impotence. It occupies about 49% of the market for such drugs. "Viagra" - one of the main bestsellers of the pharma-corporation "Pfizer".

For the first time, tablets «Viagra» entered the world market in 1998, and up to this day they still bring huge money to company “Pfizer». But, what is the most interesting, the manufacturer did not set itself the task of inventing a medicine for men to increase potency. And it appeared due to happenstance.

It happened in 1992 in the town Sandwich during testing of a new remedy - sildenafil for heart disease. The drug was to increase the flow of blood to the heart muscle, but instead that it increased the flow of blood to the penis, which caused a strong erection. The researchers found that the substance inhibits the production of an enzyme that adversely affects the erection. Thus, the new medicine has become the fastest-selling in the whole history.

In 1996, «Pfizer» patented sildenafil as a drug for erectile dysfunction, packed in blue pills and called "Viagra". According to the legend, the name appeared from two words: vigor (power, energy) and Niagara.  Researchers, who discovered the properties of sildenafil, were awarded the Nobel Prize in 1998.