- Online mini-Course in Osain Herbal Medicine.
The Certified mini-Course in Osain Herbal Medicine is a series of twelve lessons offered by the African Traditional Herbal Research Clinic to give people the knowledge they need to learn how to take care of yourself and your family with herbs, and foods using Yoruba Healing Science. In this series of twelve lessons, you'll learn everything you need to know to take care of common ailments and chronic diseases at home.