Scientists have discovered why the paper cuts cause a lot of pain
MOSCOW, 16 Feb — RIA Novosti. Scientists from the University of Carolina found out why a person experiences acute pain in paper cuts. A review of the research published in the portal, Science Alert.
According to experts, the main reason for the discomfort lies in the special neurons — nociceptors that are particularly responsive to painful stimuli. Because tactile sensitivity is extremely important for orientation in space and interaction with the surrounding world, the greatest number of nociceptors are concentrated on the fingertips.
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“It’s kind of a defence mechanism — says one of the study’s authors Hayley Goldbach. — We experience the world with your fingertips and they perform fine work, so it is logical that in this part of our body, a large number of nerve endings”.
However, this list of reasons does not end there. Scientists say that the paper is not so smooth, what seems at first glance, therefore, the cuts leave ragged wounds that are hard to heal for a long time and cause discomfort.
Finally, the paper cuts are not deep enough to run a natural protective processes such as blood clotting and scarring, causing nerve endings are exposed. With almost any work with your hands becomes an irritant, and prevents the restoration of the damaged portion of the skin.