Ellen Kamhi talks with Dr. Kevin Spelman, a molecular biologist, phytochemist, clinician and herbalist who has worked with medicinal plants in the field, in the clinic, and in research models including clinical human trials and preclinical models. Dr. Spelman also publishes the audio science journal, The Spelman Report: PhytoPharmacology Review, highlighting clinically relevant research on natural products. He also runs Health, Education & Research, a consulting company for the natural products and cannabis industry.