Acid RefluxBiohackingCortisolDigestive HealthFSAGastric EmptyingGERDHSAIRS Publication 502MedicareMental HealthStress ManagementVagus Nerve 12 Feb 2026 The Cortisol-Reflux Loop: Why Your Stress is Physically Melting Your Esophagus In the world of biohacking, we often focus on what we eat. But the latest science suggests that …