The FDA has issued an extensive recall on several contaminated heparin products, problems which have been traced back to ingredients from China. Dr. Jawed Fareed, professor of pathology and pharmacology at Loyola University Chicago Stritch School of Medicine, takes us through the process of heparin production, starting with the initial derivation of the drug from animal tissue. How does the FDA regulate various aspects of the drug production process which occur abroad? Will China tighten up its regulatory process in the wake of the latest heparin anxieties? Dr. Mark Nolan Hill hosts.