Episode 34: What Ozempic Is Actually Doing to Your Brain | GLP-1s, Food Noise and Nervous System Healing

There's a conversation happening right now about weight loss medications. And almost everyone is either for them or against them. But that's not the conversation I'm interested in. What I'm curious about is what's actually happening in the brain and the nervous system when people take these medications. Because when you start looking at the research, what you find isn't just about appetite. It's about regulation. It's about what it feels like when a system that has been running on threat and scarcity for years finally gets a different signal. In this episode I explore the neuroscience behind food noise, emotional eating, and why for some people GLP-1 medications like Ozempic and Wegovy create something that feels less like appetite suppression and more like finally being able to breathe. We get into how the brainstem and hypothalamus work and why trauma shapes them, what dysregulation actually is and what it feels like from the inside, why food noise is not about food and not about willpower, what the research says about how GLP-1s are changing brain activity in the reward system, and why some people describe feeling regulated for the first time in their lives. This episode is for anyone who has ever felt like their brain just works differently. Like they're fighting something that no one else seems to be fighting. Because there's a biological explanation for that. And understanding it changes everything. The waitlist for Breaking the Emotional Eating Cycle is now open. Women who join before launch receive founding member pricing. *Disclaimer: This episode contains discussions around emotional eating, binge eating, body image, trauma, and weight loss medications including GLP-1s such as Ozempic and semaglutide. Please engage gently. This content reflects published research and personal perspective. It is not medical advice and does not recommend for or against any medication. Please consult a qualified healthcare professional before making any medical decisions. If you are struggling with an eating disorder or severe distress around food or your body, please seek support from a qualified healthcare professional.* *References* **1. Childhood trauma and the HPA axis** Murphy, F., Nasa, A., Cullinane, D., Raajakesary, K., Gazzaz, A., Sooknarine, V., Haines, M., Roman, E., Kelly, L., O'Neill, A., Cannon, M., & Roddy, D.W. (2022). Childhood Trauma, the HPA Axis and Psychiatric Illnesses: A Targeted Literature Synthesis. *Frontiers in Psychiatry*, 13, 748372. https://doi.org/10.3389/fpsyt.2022.748372 **2. Early trauma, HPA axis dysregulation, and eating disorders** Cascino, G., et al. (2024). Early traumatic experiences and the hypothalamus-pituitary-adrenal axis in people with eating disorders: A narrative review. *Psychoneuroendocrinology*, 159, 106665. https://doi.org/10.1016/j.psyneuen.2023.106665 **3. GLP-1 and reward system related disorders (food, alcohol, drugs)** Eren-Yazicioglu, C.Y., Yigit, A., Dogruoz, R.E., & Yapici-Eser, H. (2021). Can GLP-1 Be a Target for Reward System Related Disorders? A Qualitative Synthesis and Systematic Review Analysis of Studies on Palatable Food, Drugs of Abuse, and Alcohol. *Frontiers in Behavioral Neuroscience*, 14, 614884. https://doi.org/10.3389/fnbeh.2020.614884 **4. Hindbrain GLP-1 neurons and projections to the hypothalamus (Journal of Neuroscience 2024)** Randolph, A.B., Zheng, H., & Rinaman, L. (2024). Populations of hindbrain glucagon-like peptide 1 (GLP1) neurons that innervate the hypothalamic PVH, thalamic PVT, or limbic forebrain BST have axon collaterals that reach all central regions innervated by GLP1 neurons. *Journal*