Blushes are hot flushes but why?

Rosemary Williams would like to know more about blushing.

Rosemary Williams would like to know more about blushing.

When you feel embarrassed or upset, small blood vessels under the skin in your face and neck get bigger, so more blood flows close to the surface. This means that your skin has more colour in it than usual, and also feels warmer because the extra blood brings extra heat. This is what happens, but no-one knows exactly why it happens. - bigsiteofamazingfacts.com; essortment.com; livescience.com

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