Of the drugs that pass animal testings, 95% of drugs fail in human clinical trials whether it be from safety grounds or simply not working (Cruelty Free International). A 2013 study published in Proceedings of the National Academy of Sciences of the United States of America (PNAS) found that nearly 150 clinical trials (human tests) of treatments to reduce inflammation in critically ill patients have been undertaken, and all of them failed, despite being successful in animal tests (Animal Testing - ProCon.org). Some chemicals and drugs that may be harmful to humans are not necessarily harmful to animals, and vice
Of the drugs that pass animal testings, 95% of drugs fail in human clinical trials whether it be from safety grounds or simply not working (Cruelty Free International). A 2013 study published in Proceedings of the National Academy of Sciences of the United States of America (PNAS) found that nearly 150 clinical trials (human tests) of treatments to reduce inflammation in critically ill patients have been undertaken, and all of them failed, despite being successful in animal tests (Animal Testing - ProCon.org). Some chemicals and drugs that may be harmful to humans are not necessarily harmful to animals, and vice