Researchers at the University of Pittsburgh have uncovered new insights into the dual nature of scratching an itch, indicating that while it can worsen skin inflammation, it can also boost immune defenses against bacterial infections at the injury site. How did they do it? By torturing mice, of course. Jeff and Anthony dig into the science of itchiness to learn more. https://www.nature.com/articles/d41586-025-00256-3

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