비아그라에 대한 5가지 쉬운 사실 설명

In the event the cGMP is destroyed by the phosphodiesterase-five enzyme, the erection finishes. Viagra prevents phosphodiesterase-five from destroying cGMP so cGMP stays about for a longer time, which ends up in a more prolonged erection. Our specialists frequently check the health and wellness Place, and we update our content articles when new in