I don’t think 90% is an accurate number. Here’
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“A 2006 review looked at studies where medical interventions were tested on animals and whether the results were replicated in human trials.
It showed that of the most-cited animal studies in prestigious scientific journals, such as Nature and Cell, only 37% were replicated in subsequent human randomised trials and 18% were contradicted in human trials. It is safe to assume that less-cited animal studies in lesser journals would have an even lower strike rate.”