FAAH and Anxiety: To examine the effects of FAAH, MAGL or dual FAAH/MAGL inhibitors in the regulation of anxiety, we tested the FAAH inhibitor PF-3845 (1 mg kg–1), MAGL inhibitor JZL184 (10 mg kg–1) or dual FAAH/MAGL inhibitor JZL195 (10 mg kg–1) in the light–dark box assay.