Brain fog is a messenger, not the root problem of cognitive health. 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. 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 8:34 Sponsor: Function Health 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