Second hand exposure to aerosolized fentanyl

With addiction being such a problem in the anesthesia community, I found these studies to be extremely interesting. I have always known that we are exposed to various anesthetics on a daily basis, but it never occurred to me that we were metabolizing them as well.

http://www.ncbi.nlm.nih.gov/pubmed/18956530

www.ncbi.nlm.nih.gov/pubmed/16431033