This post was adapted from its original source and can be viewed here.
It can take, on average, more than a decade and about $1-billion for a new pharmaceutical drug to make its way from the lab to the prescription pad.
Just five in 5,000 drugs that enter preclinical testing advance to human clinical trials. From there, only about one in five of those drugs is approved for human use, according to a review by the California Biomedical Research Association.