What effect does cyanide have on the brain? How does stress affect your brain? Can you unlearn sleeping in the dark? What goes wrong in the brain when I lose focus? Why do some people remember things better than other people? How do brain cells communicate with each other? Do the male and female brain differ? Is there a link between rheumatoid arthritis and anxiety? What is the ‘brain freeze’ sensation when eating or drinking something cold? What causes Alzheimer’s disease?