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Hyla Cass

Hyla Cass, M.D., is anoted speaker, consultant and media expert in the areas of nutritional medicine and psychiatry, which she combines in her clinical practice. She is also assistant clinical professor of psychiatry at UCLA School of Medicine and author of several books, including St. John's Wort: Nature's Blues Buster, User's Guide to Ginkgo Biloba, User's Guide to Vitamin C and Natural Highs. Her website is