Orexin-A and endocannabinoids are involved in obesity-associated alteration of hippocampal neurogenesis, plasticity, and episodic memory in mice. - Forte N; Boccella S; Tunisi L; Fernández-Rilo AC; Imperatore R; Iannotti FA; De Risi M; Iannotta M; Piscitelli F; Capasso R; De Girolamo P; De Leonibus E; et al. (Nature communications, 2021)