Do we only use 10% of our brain? Are there people or animals with more or fewer than two brain hemispheres? How are memories made in the brain? What goes wrong in the brain when I lose focus? Why do people still receive electroshock therapy? Why don’t we use stem cell therapy for MS? Why do some people remember their dreams and others do not? What effect does cyanide have on the brain? Can brain implants read and control our minds? How does music affect mental health?