Mice “smell” each other’s pain

Recent research has shown that mice can share pain with each others. With smells.

In a study, mice entering a bedding where other mice who were in pain had slept, new healthy mice spiked and became up to 68% more sensitive to pain then before (not considering stress levels). Some odor signals from old mice might have transferred onto the bedding, being picked up by mice who had never experienced pain before.  This means that mice might actually be able to “smell” when their friend rodents are in pain.

But what does this mean for humans?

Since a human’s olfactory senses aren’t as strong as in mice, these smelling pain signals might not even transfer in humans. On the other hand, scientists say that though this research needs to be taken more in depth, this might even be a new discovery of pain transmission between humans.




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