Canna~Fangled Abstracts Ghrelin and cannabinoids require the ghrelin receptor to affect cellular energy metabolism. Sponsored Document from Molecular and Cellular Endocrinology Mol Cell Endocrinol. 2013 January 30; 365(2): 303–308. doi: 10.1016/j.mce.2012.11.007 PMCID:PMC3566541…Freedom WaresAugust 12, 2013