비아그라에 대한 5가지 쉬운 사실 설명
In males, Viagra increases blood stream on the penis by blocking the action of the chemical referred to as PDE5. This chemical can also be located in the vagina plus the clitoris of women. So, in theory, if a woman will take Viagra, it could increase blood move on the genitals.Eating grapefruit or ingesting grapefruit juice though having Viagra cou