Story Charmed Life How to Turbocharge Your Brain Mastering Your Mental Gearbox Imagine having a secret switch in your brain that could instantly transform your mental state. Feeling foggy and distracted? Flip the switch to sharpen your focus and unleash your productivity. Overwhelmed by pressure and stress? Use the switch to calm your mind and tap into a state of relaxed alertness. What if this switch actually exists inside all of our heads? Welcome to the world of the locus coeruleus, a tiny...