Speaker: Mark Blumenthal. An update on latest clinical studies documenting the safety and efficacy of various herbs with emphasis on the specific commercial proprietary preparations used in the clinical studies. Thousands of research studies on herbs and herbal preparations are published worldwide every year. Only a few of the clinical trials are reported to the American public by the media, and often the media focuses on those studies with failed outcomes. This frequently results in increased confusion about the relative safety and benefits of many popular herbs.