"A cure for malaria was developed from exploring the medical properties of an herbal remedy from the 4th century..." https://www.bbc.com/news/av/stories-47531213/how-chinese-traditional-medicine-helped-beat-malaria

A few great information websites for Chinese Medicine and Herbology https://en.wikibooks.org/wiki/Traditional_Chinese_Medicine/Usage_Of_Single_Herbs https://tcmwiki.com/wiki/traditional-chinese-medicine-theory