Neuroscience expert and storyteller Ginny Smith chats with Trey Elling about OVERLOADED: HOW EVERY ASPECT OF YOUR LIFE IS INFLUENCED BY YOUR BRAIN CHEMICALS. Questions include: How do sea slugs help us better understand human memory? (02:40) Why is dopamine not necessarily the pleasure chemical? (06:30) What causes some people to urinate themselves when scared? (10:29) Why do we sleep? (25:37) How does coffee wake us up, and why does it lose its effect over time? (29:48) Chemically speaking, why do people overeat? (32:52) Does swearing help with pain? (35:17)