5 Foods That Are Making Your Brain Fog Worse

Brain fog isn’t just a normal part of getting older—and it may not be a brain problem at all. If you struggle to focus, lose your train of thought, forget why you walked into a room, or feel mentally exhausted after eating, your body may be trying to tell you something. Here’s what I discuss in today’s episode: The five foods I most commonly see contributing to brain fog—and why some seemingly “healthy” choices may be working against you The surprising connection between your gut and your ability to think, focus, and remember Why certain foods can affect your brain even when you don’t have obvious digestive symptoms Brain fog is a messenger, not the root problem. When you start looking at what’s happening throughout your body—especially your gut, blood sugar, inflammation, and microbiome—you can begin uncovering what’s getting in the way of a clearer, healthier brain. Resources Mentioned: Learn more about my 10-Day Detox Diet, a whole-food reset designed to help identify common food triggers, stabilize blood sugar, and support gut health: https://10daydetox.com Have a question you’d love answered on Office Hours? Submit it here. 0:00 Introduction, Dr. Hyman's experience, and foods contributing to brain fog 1:31 Functional medicine and the gut-brain connection 2:30 Vagus nerve, gut microbiome, and inflammation 4:21 Long COVID, gut damage, and ultra-processed foods 6:51 Alcohol, artificial sweeteners, and their effects on the brain 9:51 Dairy, gluten, and elimination diets 15:41 Ten Day Detox Diet, food journaling, and reintroducing foods 18:23 Personalized nutrition, functional medicine, and conclusion