Watch Online Free on Watchseries. Herbalist Letha Hadady shares the secrets of her trade in this fascinating lesson in nontraditional medicine, revealing which Chinese herbs help mitigate conventional Western diseases such as high blood pressure, depression and diabetes. You'll also discover certain food products that contribute to overall health. Follow Letha to her kitchen, where she concocts her potent potions, and find out how you can replicate her approach in your home.