The nerve gas Sarin can be deadly, even at low concentrations. The molecule binds to the enzyme that degrades acetylcholine, a neurotransmitter. While you need acetylcholine to fire nerve impulses to muscles, it's necessary to remove it once the neuron fires so it stops sending a signal. The use of Sarin is banned, but if you've ever wondered what to do if you're exposed or how to survive it, here's what you need to know.if(zs>0){if(zSbL250)gEI("spacer").style.height=Math.floor(e[0].height/12)+17.5+'em';else{var zIClns=[];function walkup(e){if(e.className!='entry'){if(e.nodeName=='A'||e.style.styleFloat=='right'||e.style.cssFloat=='right'||e.align=='right'||e.align=='left'||e.className=='alignright'||e.className=='alignleft')zIClns.push(e);walkup(e.parentNode)}}walkup(e[0]);if(zIClns.length){node=zIClns[zIClns.length-1];var clone=node.cloneNode(true);node.parentNode.removeChild(node);getElementsByClassName("entry",gEI("articlebody"))[0].insertBefore(clone,gEI("spacer"))}}}};zSB(2);zSbL=0
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