Your stomach sent the 'full' signal — so why are you standing in front of the open fridge twenty minutes later? This episode dismantles the popular calorie-counting model of hunger and replaces it with the actual neuroscience: ghrelin, GLP-1, the vagus nerve's reporting lag, and why ultra-processed foods are essentially written in a language your satiety system can't read. We'll also look at what the evidence genuinely supports for retraining hunger cues versus the appetite-suppression supplement industry, which is mostly selling you expensive placebos.