Your Gut Microbiome Controls Who You Are. Here's The Science

Your gut microbiome is producing 95% of your serotonin. Not your brain. Here's what that means for your mood, your anxiety, and who you actually are. In this video: → The experiment that changed a mouse's personality by swapping gut bacteria → Why 80-90% of signals on the vagus nerve go gut → brain (not the other way) → The 2025 study proving gut dysbiosis causally drives anxiety and depression → The Candida link — why you might be walking around with a permanent hangover → What I'm doing about it (and what the science actually supports) TIMESTAMPS 00:00 Intro 01:39 The number that changes everything 03:01 The mice experiment + the human angle 04:34 The study that flipped everything 05:50 The exact mechanism 07:09 What I'm doing about it WHERE TO FIND ME: 🌐 Blog: https://www.brenel.io/ ✍️ Substack: https://damienbreneliere.substack.com/ 📸 Instagram:   / damien.brenel