According to Tswana tradition and of course else where in Africa, there are different kinds of doctors ; there are herbalists, sangomas, seers etc.for example with Mma Dimphos experience, observation, participating in foraging, gathering of plants and roots, she has overtime internalized how, when, what, why, where to treat his or her patients.while her practice may be influenced by belief, she assures and gurantees her patients that indeed plants that she prescribes will heal them. next time i will tell you the differences of these doctors and their fuctions. keep posted