How Mouse Studies Lead Medical Research Down Dead Ends : Shots - Health News : NPR

New drugs are usually tested in animals before they’re tested in humans. But many of those studies aren’t done carefully enough, analysts say. So time and money is wasted, and treatments are delayed.

http://www.npr.org/blogs/health/2014/04/08/298335701/how-mouse-studies-lead-medical-research-down-dead-ends