[biological_process] fatty acid transport <sep> glucose homeostasis <sep> glucose metabolic process <sep> lipid metabolic process <sep> lipid transport across blood-brain barrier <sep> negative regulation of glucose transmembrane transport <sep> phosphatidylcholine biosynthetic process <sep> positive regulation of cold-induced thermogenesis <sep> positive regulation of peroxisome proliferator activated receptor signaling pathway <sep> regulation of prostaglandin biosynthetic process <sep> regulation of retrograde trans-synaptic signaling by endocanabinoid <sep> regulation of sensory perception of pain <sep> retrograde trans-synaptic signaling by endocannabinoid