When most people think "nerve agent" their head is prone filled with bad images. I'll admit, for the longest time the term "chemical weapon" was a negative term, and still is. However, I have learned that it is all a matter of use. VX is a chemical weapon nerve gas that has killed countless people, however in medicine it actually can be tremendously useful. VX works by blocking acetylcholineesterase. This is an enzyme that breaks down acetylcholine. Now, this can be dangerous as when acetylcholine is released the muscle contracts. Like when you clench your fist, or when you heart beats. Then AcE comes along and breaks down the acetylcholine and the muscle relaxes. However, when VX prevents this action your heart cant beat, your lungs can't expand, your muscles can't relax, and you die. Not too nice. However, in the case of tropine poisoning, or other articholergic poisoning. this nerve agent can be very useful. The VX will perform the opposite effect of the poison. While scopolamine causes the inhibition of of muscles, eventually stopping the heart, VX can act as a kick start. This is very broad, so I'll try and make it easier to understand. Tropine alkaloids will dilate your eye. This is because they are acting to inhibit the eye muscular system from contracting. They're relaxing the muscles. When VX is administered it will act as a contracting agent. So the eye will contract, even though it was dialated. You are in short term giving the opposite effect of what the other drug is doing. So in this way you are using a chemical war agent to save someone's life from a poison.
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