
Our knowledge is still limited to thoroughly elucidate the mechanism of Chinese medicine
On the website of Offbeat Oregon History, there is a page introducing "Doc” Hay, Oregon's pioneer Chinese herbalist", with a subtitle Settlers in John Day in the late 1800s learned the healer of Kam Wah Chung could cure diseases others couldn't; all his patients survived the fatal Spanish Flu epidemic in 1919. This healer is the Chinese herbalist “Doc” Hay. In the article, it wrote: Other doctors, of course, were very jealous and tried to have him prosecuted for practicing me