showed a trendP = 0.052
Anandamide levels showed a trend towards an increase following ghrelin treatment in WT mice (control 15.9±1.8 vs. ghrelin 19.9±3.12 fmol/mg, P = 0.052, Fig. 1E ), whereas no effect was observed in CB1-KO mice (control 18.5±5.6 vs. ghrelin 20.9±8.7 fmol/mg, Fig. 1E ).