FAAH and type 2 diabetes mellitus: The gene expression levels of the 2-AG-degrading enzyme MGL had a trend to be reduced in T2D subjects compared with control subjects (p = 0.094, Fig. 1g) while the gene expression levels of the AEA-degrading enzyme, FAAH, were lower in T2D subjects compared with control subjects (p < 0.05) (Fig. 1h).