The Food and Drug Administration approves drugs sold in the United States. But some clinics are buying drugs outside the U.S. - not approved by the FDA. Armen Keteyian reports on this little-known trend.
A series of studies found that potentially harmful plastic compounds thought to be safer may be just as risky. The phthalates are increasingly used to strengthen products including plastic wrap, soap, cosmetics and processed food containers.
In this week's Ask the Doc column, Dr. Howard Scheiner takes a realistic look at the latest studies around Pre-Exposure Prophylaxis (PrEP) with Truvada, and lets you know what you'll have to do to keep safe this summer.