What is already known about long covid and the brain? Is dopamine good for you and serotonin bad? How does your brain know that you want to move? Why are you grumpy after a bad night of sleep? Why do people still receive electroshock therapy? Can you distinguish between people who are visual or auditory learners? What happens in the brain when you take psychedelics? Are computers smarter than humans? Do we only use 10% of our brain? How is a neuron made?