Fatty acid amide hydrolases, such as FAAH1 and FAAH2, hydrolyze primary fatty acid amide substrates and may play a role in fatty acid catabolism.Fatty acid amide hydrolases, such as FAAH1 (FAAH; MIM 602935) and FAAH2, hydrolyze primary fatty acid amide substrates (e.g., oleamide) and may play a role in fatty acid catabolism (Wei et al., 2006 [PubMed 17015445]).[supplied by OMIM].