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【正文】 ring of those animals, by enriching the living condition, by providing the social interaction with others and by giving better daily cares. What we need is just better treatment and less suffering! ? Rend Descartes was one of the greatest thinkers of the seventeenth century and in history, but he had a few weaknesses. The biggest was probably his belief that animals had no conscious life, no desires, no feelings and no emotions because they had no immortal soul. ? If Descartes had spent just a little more time looking around him and a little less time trying to understand the secrets of the universe, he would have known that he was wrong. ? The truth is: although it is impossible for us to imagine precisely how animals do think, or what they think about, there cannot possibly be any doubt that they are capable of as much thought as many humans. Simple observations would have told Descartes that animals feel pain, suffer when they are sick, get bored, endure unhappiness and depression, grieve, mourn and can be driven mad by abuse. We have our own emotion and feeling! We shouldn39。: ? Replacement use alternative methods, . testing on cell cultures ? Reduction use statistics to reduce the number of animals that must be used for each experiment ? Refinement improve the experiment to reduce animal suffering Ways…… Using Cell Cultures Safety tests using human cells are more accurate than animal tests. In fact, a new pany now offers methods for developing new drugs without the use of animals at all. Replacing Animals in Safety Tests Rat LD50 tests—lethal dose tests that measure the dose of a chemical that kills 50 percent of the animals given it—were only 59 percent accurate, and mouse tests were about 70 percent accurate. But the average human cell test was 77 percent accurate. Accuracy was boosted to 80 percent when results from three different human cell tests were bined. Using New Technologies New scanning technologies (such as Magic Resonance Imaging) can help doctors learn about
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