青少年尤其是姑娘在社交中容易出现脸红,这是因为青少年大脑中枢神经对皮层下的神经调节还不很成熟,对事物的认识还缺乏经验,对外界的变化不能沉着老练地作出反应。因此,常常会导致情绪紧张,随之便脸红了。脸红是由于脸部毛细血管充血、血流加快、氧饱和度 Teenagers, especially girls, are prone to blushing in their social life. This is because the neural regulation of the central nervous system in the brains of children and adolescents is not yet mature enough to understand the matter. Therefore, changes in the outside world can not be responded calmly and skillfully. Therefore, often lead to emotional stress, followed by a blush. Blush is due to facial capillaries congestion, blood flow, oxygen saturation