Viagra, How it works!?
Did you know that nearly every adult in America has heard about Viagra and knows what this drug is for? That is an amazing fact to me but more interesting to me as an aging man is, “Viagra, How it works?”
If someone asked you what Viagra does what would you tell him or her? Simply put, Viagra causes an erection in a sexually stimulated man. Perhaps the more interesting question to inquiring minds is, “How does Viagra do that? What is in Viagra that is so magical to cause an erection in someone that could not obtain one? Viagra, How it works?
Before we get into the magic of Viagra lets understand that in many cases, even if a man is stimulated, the penis doesn't become erect. What makes an erection? Are there muscle contractions involved in making the penis erect? No. For the penis to become erect, the penis needs pressure from the blood.
Let’s illustrate it.
Think about a balloon. If a balloon has no air in it, it's limp and soft. When you inflate a balloon with air, it becomes elongated and rigid.
The penis works pretty much the same, only instead of using pressurized air to become rigid, the penis uses pressurized blood to become long and firm.
When a man is sexually exited, the arteries that lead into the penis open up and pressurized blood quickly rushes into the penis. At the same time, veins that normally allow blood to leave the penis constrict so that the blood remains in the penis. Pressurized blood is getting trapped inside the penis and causes the penis to elongate and stiffen. The penis becomes erect.
What if the arteries leading to the penis don't open up properly? Well, then it is difficult or sometimes impossible for a man to get an erection.
So an important question is, “How do we get the arteries to open up so the penis will become erect?” A solution to this problem would be worth a lot of money. Ah, Viagra, How it works.
Let’s cover this again because it is important. When a man becomes aroused, the brain gets aroused too and it sends a signal to the penis, which causes the arteries to dilate. A lot of blood flows into the penis and inflates it like a balloon. An erection takes place.
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Let‘s illustrate this process again in 5 simple steps.
Step 1 - The brain sends a signal to the special nerve cells in the penis:” Make nitric oxide!”
Step 2 – The nerve cells in the penis release nitric oxide into the blood!
Step 3 - The nitric oxide stimulates the release of a relaxing chemical, cyclic guanosine monophosphate or cGMP.
Step 4 - This relaxing chemical, cGMP, gives a command to penis arteries, “Hey smooth muscle cells in the arteries, Relax!” When the muscle cells relax, blood flow increases and the penis inflates like a balloon, very simple but unfortunately it does not always work.
Step 5 – When an erection is no longer needed the brain stops sending the signal to make nitric oxide, the relaxing chemical cGMP goes away, another enzyme (phosphodiesterase or PDE5) is then secreted and the erection is lost.
One of the most common erection problems is that the arteries in the penis aren't dilating enough when the brain sends the signal. Step 1 and step 2 are working fine but on Step 3 is where the problem exists: the amount of relaxing chemical cGMP simply is not enough to maintain an erection!
Viva Viagra, how it works so well to solve the problem.
1. When a man takes Viagra the enzyme-deactivator PDE5 that breaks down the relaxing chemical cGMP is eliminated.
2. Now the relaxing chemical cGMP starts to build up in the penis.
3. The greater the amount of cGMP in the penis, the more the blood flows.
4.The greater the blood flow the greater the erection.
Viagra, How it works!
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Disclaimer
The information contained in this article provides helpful health information. This information may not be complete and may not cover all diseases, physical conditions, or treatments. This information does not constitute medical advice or treatment. This information should not be used in place of a consultation with a medical professional that should be consulted before deciding on a course of treatment or deciding not to seek treatment.
This article provides only general information. It does not cover all possible uses, actions, precautions, side effects, or interactions of the medicines mentioned. The information not intended as medical advice for individual problems or for making an evaluation as to the risks and benefits of taking a particular medication. The treating physician, relying on experience and knowledge of the patient, must determine dosages and the best treatment for the patient.
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