Paul Saladino· MD
I mean it's one of the things that you know that viagra does is it increases nitric oxide synthesis obviously in the penis and that opens up the blood vessels and allows you to have an erection and also magico said viagra is now used for people who've got pulmonary hypertension high blood pressure and of arteries in their lungs because it opens up the arteries and and reduces the blood pressure it was originally announced as an enjoying example which many people don't know