Investigators now believe that the vast majority of the illnesses that plague us today are a direct result of our thought life. What we think about truly affects us both physically and emotionally. Today our culture is undergoing an epidemic of toxic thoughts that, left unchecked, create ideal conditions for a huge variety of illnesses. Supported by current scientific and medical research, Dr. Caroline Leaf gives you a prescription for better health and wholeness through correct thinking patterns. She exposes the "switch" in your brain that will enable you to live a happier, healthier, more enjoyable life where you achieve your goals, get your thought life under control, and even become more intelligent. The book features a 21-Day Brain Detox Plan to guide you step-by-step through the process of replacing toxic thoughts with healthy ones.