Are emotions experienced in the heart or the brain? Why do some people remember things better than other people? Why is some information stored so quickly in the brain, while other information takes much longer? Is dopamine good for you and serotonin bad? How does stress affect your brain? Is there a link between rheumatoid arthritis and anxiety? Does neuroscience provide better explanations for behaviour than psychology? Why do people still receive electroshock therapy? How does personality arise? And does it change over the course of your life? Are there people or animals with more or fewer than two brain hemispheres?