David Winston, RH (AHG) is an herbalist and ethnobotanist with 41 years of training in Cherokee, Chinese and Western herbal traditions. He has had a clinical practice for over 30 years and is a herbal consultant to physicians throughout the USA and Canada. President of Herbalist & Alchemist, Inc. an herbal manufacturing company, he is also founder/director of David Winston's Center for Herbal Studies, which features his highly respected Two-Year Clinical Herbalist Training Program. He is an internationally known lecturer and teaches frequently at medical schools, symposia and herb conferences.David is the co-author of Winston & Kuhn's Herbal Therapies and Supplements: A Scientific and Traditional Approach, 2nd ed., Wolters Kluwer, 2008, and Adaptogens: Herbs for Strength, Stamina, and Stress Relief, Healing Arts, 2007, he is the author of Saw Palmetto for Men & Women, Storey, 1999, Herbal Therapeutics, Specific Indications For Herbs and Herbal Formulas, (new edition, 2009), and a contributing author to American Herbalism, published in 1992 by Crossings Press. In addition, he is a founding/professional member of the American Herbalist Guild, and he has served four terms on the Board of Directors.