This episode covers the Chinese herb Gu Sui Bu (Drynaria Rhizome), used to treat bones and sinews as well as yang vacuity. Besides covering the basics of Chinese herbology including category, and functions, we will explore the history, quality, science, pharmacology, evidence, and any potential interactions of each herb. And then there is always something a little quirky about an episode. This episode discusses epigenetics and its potential to explain some mechanisms of action for acupuncture and herbal interventions. Please join us as we learn about Gu Sui Bu (Drynaria Rhizome).