More and more Americans are seeking non-traditional therapies to find relief from symptoms and pain and to maintain overall health. But if you're a medical consumer interested in complementary or integrative treatments, how do you know what's safe and what's effective? One reliable source is the National Institutes of Health. This week on “Take Care,” Dr. Josephine Briggs , director of the National Center for Complementary and Integrative Health at NIH gives an overview of these kinds of