The Second Brain Speaks: How Gut Bacteria Shape Your Emotions, Appetite, and Mental Well-Being
Decades of neuroscience focused almost exclusively on the brain as the seat of mood and mental health — but a rapidly expanding body of research is rewriting that story. The trillions of microorganisms living in the human gut communicate with the brain through a sophisticated bidirectional highway, influencing everything from anxiety levels to food cravings. Understanding this gut-brain axis may fundamentally change how we think about depression, stress, and even what we choose to eat for dinner
