Prescription Medication Sildenafil - Impotence Treatment

By vishal gupta

 It has been estimated that impotence affects 140 million men worldwide. Over half of all men with impotence are thought to have some physical (medical) cause. The remainders are believed to have psychogenic causes of impotence. Medical causes of impotence include diabetes and circulatory, neurological or urological conditions.

Penile erection is caused by the engorgement of the penis with blood.

This engorgement occurs when the blood vessels delivering blood to the penis increase the delivery of blood and the blood vessels carrying blood away from the penis decrease the removal of blood. Under normal conditions, sexual stimulation leads to the production and release quit smoking help of nitric oxide in the penis.

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