“Biochanin A,” a natural fatty acid amide hydrolase (FAAH) inhibitor, was negatively correlated with Alistipes sp910577475 and CAG−873 sp910587235 and positively correlated with A. muciniphila A. FAAH is a key enzyme involved in the degradation of endocannabinoids, and inactivation of FAAH is a therapeutic strategy for alleviating inflammation and pain associated with various central and peripheral nervous system diseases (Lodola et al., 2015). The gene discussed is FAAH; the disease is peripheral nervous system disorder.