Pain signals can flow as quickly as touch signals, as per a new research from scientists in the UK at Liverpool John Moores University, in Sweden at Linköping University, and in the US at the National Institutes of Health (NIH). The finding of a quick pain-signaling system challenges our present knowledge of pain. The research is posted in the Science Advances scientific journal.
It has until now been thought that pain’s nerve signals are always performed more slowly as compared to those for touch. The latter signals, which let us to decide where we are being touched, are performed by nerves that have a fatty myelin sheath that protects the nerve. Nerves with a fat covering of myelin perform signals more quickly in comparison with unmyelinated nerves. On the contrary, the signaling of pain in people has been believed to be significantly slower and performed out by nerves that have only a slim layer of myelin.
In mammals and monkeys, alternatively, part of the pain-signaling network can perform nerve signals just as quickly as the network that signals touch. The researchers wondered whether such a system is also contained in humans. “The capability of feeling pain is important for our survival, so why must our pain-signaling system be so much sluggish as compared to the system employed for touch?” questions Saad Nagi to the media.
On a related note, in a school-based research study of all candidates in grades 10, 8, and 6 in Iceland, the employment of pain medicines was considerably more amongst bullied students even when managing for the level of pain they felt, as well as gender, age, and socioeconomic status. The research is posted in Acta Paediatrica. A sum of 10,390 pupils finished anonymous studies and answered queries about pain, bullying, and use of pain medication.
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