비아그라에 대한 확실한 가이드

In the event the cGMP is destroyed through the phosphodiesterase-5 enzyme, the erection finishes. Viagra prevents phosphodiesterase-five from destroying cGMP so cGMP stays all-around lengthier, which leads to a far more prolonged erection. VIAGRA could cause your hypertension to fall suddenly to an unsafe degree if taken with certain other medicin