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VIAGRA ESSENTIAL GUIDE: GUIDE An Expository Guide Explaining How Erectile Dysfunction Can Be Treated
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About VIAGRA ESSENTIAL GUIDE: GUIDE An Expository Guide
Viagra is an ED drug used to treat erectile dysfunction in men. It does this by dilating the blood vessels and allowing for increased blood flow to the penis, thus increasing sexual pleasure. Viagra works by inhibiting an enzyme called phosphodiesterase type 5 (PDE), which is responsible for breaking down cGMP, the compound responsible for the relaxation of smooth muscles. When PDE is inhibited, it allows for increased levels of cGMP, thus allowing for increased blood flow and engorgement of the penis. In order to understand how Viagra works, it is important to understand the mechanics of male arousal. When aroused, signals are sent from the brain to trigger the release of nitric oxide (NO) into the blood vessels of the penis. NO acts as a signal for the blood vessels to relax, allowing for increased blood flow and engorgement. Unfortunately, PDE acts to break down the cGMP, thus countering the nitric oxide and reducing engorgement of the penis. Viagra works to inhibit the action of PDE, thus allowing for the increased production of cGMP and engorgement of the penis.
