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At the conclusion of each Mini-Science lecture, audience members submit their questions to the evenings presenter, who answers as many as possible on the spot. Here are some of the best questions from Dr. Petra Schweinhardt鈥檚 May 9 talk, 鈥淭he pain-reward connection.鈥� Q: Why are opioids released higher up in the brain? A: Opioids are [...]