비아그라 효과에 대해 쉬운 5가지 사실 설명
Viagra treats ED by growing the level of blood flow to the penis, helping you will get or retain an erection. But Viagra doesn’t cause erections without having sexual stimulation. You will need to be sexually stimulated to obtain an erection whilst getting Viagra.Although Viagra is made use of to take care of pulmonary hypertension, a lung ailmen