Yang Shih-fu explains that this abundance of kidney fortifiers in these texts does not mean that ancient Chinese doctors were obsessed with the penis, because kidney fortifiers are regarded as helping not just the reproductive organs but also the urinary tract and adrenal glands.
但楊世福說，這並非是老祖宗特別注重「那話兒」，而是中醫的補腎包括了生殖系統、泌尿系統和內分泌系統。