When I was surfing the web and came across an article on Online Viagra, I was quite intrigued as I have my own dad who uses Cialis too and I know these are potent meds, but I don’t happen to understand why they can be so specific in its effects to the penile muscles. So I read more about what Viagra is and how it works. I discovered that the component of Viagra, sildenafil citrate acts directly on the penile smooth muscles, relaxing them and enabling more blood to flow into the penis. And take note, more blood simply means a harder erection and successful intercourse as for men who are impotent. It was really amazing how the drug is able to directly affect the smooth muscles and I guess its something I will never understand unless I am a medical student myself. Now since I already understand its workings, I am convinced that it can really help millions and millions of men out there who suffer from erectile dysfunction. But you know what, I think the main reason why Viagra happens to be so successful is because of the fact that it is the first medication for such and equate it with its potency, this is really Is effective enough to induce erection in impotent men and in that turn, it really has aided millions of men to cope with their daily sexual lives and they are just thankful for that opportunity.