Red bloodshot
Red bloodshot is a facial phenomenon caused by the relatively shallow location of the congenital capillaries of the face. The skin is thin and sensitive, and the face becomes redder when it is too cold, hot, or emotionally agitated. Patients with facial redness look redder than normal. People often call the highland face or red face or rotten apple. This kind of skin is thin and sensitive, and the face becomes redder when it is too cold, hot, or emotional.
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