Frontiers Dysregulation of lipid metabolism, energy production, and oxidative stress in myalgic encephalomyelitis chronic fatigue syndrome, Gulf War Syndrome and fibromyalgia Flupirtine as a Potential Treatment for Fibromyalgia Immune dysregulation in fibromyalgia: Targeting the NLRP3 inflammasome ferroptosis axis as a novel therapeutic strategy for chronic pain ScienceDirect Dietary Phytonutrients in Fibromyalgia: Integrating Mechanisms, Biomarkers, and Clinical EvidenceA Narrative Review