Elaine R. Ferguson, MD, an Ivy League-educated physician, has practiced holistic medicine in the Chicago area for over two decades, and is currently a Senior Medical Director for the U.S. Postal Service. In addition to actively practicing, Dr. Ferguson is also an accomplished lecturer and teacher who has spoken at numerous colleges, universities and medical schools. Her consulting practice, One Health, offers a line of downloadable, educational audio and workbook products designed for those with various physical conditions such as diabetes, hypertension, and post-surgical recovery.