Why do paper cuts hurt so much?

They say the first cut is the deepest, but baby we know why it’s so painful.


Asked by: Rachel Cattini, London

At a microscopic level, paper is actually quite rough. A metal knife makes a clean straight cut, but paper acts like a saw blade and does a lot more damage to cells and nerve endings. Paper also leaves behind tiny fibres and chemical residues, which irritate the wound even more.

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