With a Whiff, Mice Can Transmit Pain to Each Other

What hurts one mouse, hurts every mouse.

That’s the conclusion of a new study examining the social transfer of pain in mice. When one group of mice was exposed to a painful stimulus, a completely unaffected group displayed the same kind of heightened sensitivity as the first. Given that mice are mammals like us, the effect could also exist in humans, as well as informing future pain research.
Testing for Pain
In their study, researchers from the Oregon Health and Science University work

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