It's time to change your life in just four simple steps Optimise your brain chemistry in just 4 simple steps. Following practical step-by-step techniques and challenges, neuroscientist Tj Power will rewire your thinking for a happier, helathier and more productive life. Split into 4 sections, the book will include information on the key hormones that rule our thinking and our behaviours: 1. Dopamine 2. Oxytocin 3. Serotonin 4. Endorphins So whether you are addicted to your phone, unable to focus, struggling with your relationships, or finding it impossible to sleep, Tj will offer you straightforward, no-nonsense solutions that will transform your mental health for the better.