Nearly all medical advance goes like this: 1. Administer treatment to some patients. 2. See benefit. 3. Try it on more people. 4 (optional). Do research to und

Nearly all medical advance goes like this: 1. Administer treatment to some patients. 2. See benefit. 3. Try it on more people. 4 (optional). Do research to understand mechanism. By and large medicine is not a "science" in the sense that it is interested in results, not building models.