What is already known about long covid and the brain? Why do people still receive electroshock therapy? Why do some people remember things better than other people? Is there a link between rheumatoid arthritis and anxiety? Are emotions experienced in the heart or the brain? What is the purpose of brain research? Why is it easier to learn a language as a kid? What is fainting? How does stress affect your brain? Does neuroscience provide better explanations for behaviour than psychology?