Andrew Weil, M.D., is a Harvard Medical School graduate who also holds an AB degree in biology (botany) from Harvard University. He is a clinical professor of internal medicine as well as the founder and director of the Program in Integrative Medicine at the University of Arizona's Health Sciences Center in Tucson, where he is training a new generation of physicians. Dr. Weil is an internationally recognized expert on medicinal herbs, mind-body interactions, and integrative medicine. A frequent guest on Larry King Live and Oprah, he has also hosted his own PBS-television specials. In addition, Dr. Weil is the author of eight books including the national bestsellers Spontaneous Healing, Eight Weeks to Optimum Health, and Eating Well for Optimum Health.