PAIN 2024 Feb 1;165(2):470-486. doi: 10.1097/j.pain.0000000000003030. Ahmed Negm, Katharina Stobbe, Selma Ben Fradj, Clara Sanchez, Arnaud Landra-Willm, Margaux Richter, Lucile Fleuriot, Delphine Debayle, Emmanuel Deval, Eric Lingueglia, Carole Rovere, Jacques Noel Abstract Lipid-rich diet is the major cause of obesity, affecting 13% of the worldwide adult population. Obesity is a