Steven Foster is an author, photographer, consultant, and herbalist who has over 4 decades worth of experience in the herbal field. Foster's books include A Desk Reference to Nature's Medicine, A Field Guide to Western Medicinal Plants & Herbs, and 101 Medicinal Herbs. Foster joins us on Science Studio to talk about his early interest in medicinal plants, dietary supplements, and about the uncertainty of the effectiveness of such supplements. http://www.stevenfoster.com/
Aired Oct. 18, 2015.
