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Ld50 Test Research Paper

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The LD50 test is a system created to test the toxicity of substances, by using a control group of animals. LD 50 stands for lethal dose at 50%, so if out of a group 100 animals 50 die then the substance is considered toxic. The down side is that humans have a different metabolisms to the average lab animal ( rats, mice etc..) so the results of this sort of test cannot be guaranteed . An example is what might be toxic to an animal might have little to no effect on a human and vice versa. This test can only ever give us a general idea of the toxicity levels of certain substances and not a fool proof result. The sad truth is that there is no safe way to find out and someone or something will have to die for us to
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