JAK2 and Crohn ileitis: Wan et al11 used an ileitis‐provoked visceral hypersensitivity (VH) model to confirm the effects of electroacupuncture on VH through Janus kinase 2 (JAK2)/signal transducers and activators of the transcription 3 (STAT3) signaling pathway in the periaqueductal gray‐rostral ventromedial medulla‐SDH axis.