Viagra?has anyone tried it?
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Viagra was and still is a medication used to treat high blood pressure.
One of the side effects which was discovered was that it gave a person an erection.
It will not cause your skin to rip.
The only MAJOR side effects, is it can cause chest pains, decrease in blood pressure, and potetially a priapism, which is an erection lasting more than 4 hours. If any of the above occur go to the hospital immediatly.
can't say i have
There are two ways to answer the question of how Viagra works. Here's the short answer: Viagra blocks an enzyme that prevents erections from happening.
The longer answer is: When sexual stimulation and arousal occur, they cause a chemical called cyclic GMP to be produced. Cyclic GMP creates erections by causing the arteries of the penis to expand and the veins to narrow. In other words, it creates a "traffic jam" of blood in the penis with blood entering faster than it leaves. That's what causes the penis to get hard.
Viagra stops an enzyme that attacks cyclic GMP, so more cyclic GMP can accumulate in the man's penis. With more cyclic GMP present it causes the normal expanding of the arteries and narrowing of the veins -- which produces an erection.
So in the presence of sexual stimulation, erection occurs -- as long as the stimulation is perceived by the man's body as sexual.
more about How Does Viagra Work - http://www.viagra.su/how-does-viagra-wor...
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