Updated EB article: Chinese Philosophy

[Paul Ferguson]

"Alchemical developments: While learned specialists continued to refine alchemical theory, the period witnessed increasing interest in internal alchemy (neidan), in which the language of the laboratory was used to describe operations realized within the body. This, in a sense, was nothing new. Alchemical metaphors had very early been applied to physiology; Ge Hong, for example, called semen the “yin elixir.”...

https://www.britannica.com/topic/Taoism/...-dynasties