Even though we’ve been talking about the brain by itself, you can’t think of it as existing in isolation. It’s bound up with the rest of you—your lungs, liver, spleen, bones, blood—the whole you. Each part of your body works in concert with all the other bits. The brain is one of the most important organs you have, but it’s not the only one. To make your brain healthier, think of yourself holistically. As the musician Mick Fleetwood said, “I keep fit, I work out, I eat pretty damn well, I don’t drink like a fish, and all of those things are tempered with a holistic mind-set that you need to damn well respect the vehicle that you’re walking around in.” Exactly!