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Described by Charles Darwin as “the most peculiar and the most human of all expressions,” blushing is the sudden, brief reddening of the face, especially due to emotions such as embarrassment or shame. The areas of the face that turn red contain a higher concentration of blood vessels near the skin’s surface than other parts of the body. When these vessels dilate, the skin appears to redden. Some people blush more than others, and some have a pathological blushing condition known as what? Discuss
Source: The Free Dictionary