This episode covers the pretty obscure Chinese herb Zao Xin Tu (Furnace Soil). Besides covering the basics of 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 a recently discovered prescriptions from a prominent Buddhist physician, Jianzhen, who helped establish kampo Japanese herbal medicine. Please join us for this exciting episode!