Contrary to how it looks, the edge of a piece of paper is not smooth like a knife blade. Under a microscope, it is jagged and rough, more like a . When it slides across your skin, it doesn't make a clean slice; it rips and shreds through your cells. 2. High Density of Nerve Endings
Deeper wounds often trigger a "survival" endorphin rush that numbs the pain initially. Paper cuts are too superficial to trigger this response, so you feel the full intensity of the pain immediately. 4. Chemical and Physical Irritants Kijhhjjjihjjkkkjjhdededaded Kilikhjiujjujcadedd...
Paper cuts usually happen on your fingertips, which have the highest concentration of (pain receptors) in the body—up to 5,000 nerve endings per fingertip. This makes any injury in this area feel significantly more intense than on your arm or leg. 3. The "Shallow Wound" Paradox Contrary to how it looks, the edge of
