How is the face aglow to return a responsibility

summary

Under normal circumstances, blushing is thought by most people to be caused by overheating or embarrassment. Now I'll give you a variety of reasons for blushing.

How is the face aglow to return a responsibility

Reason 1: there are blood vessels in the skin, which expand or contract after suffering the influence of nerve factors, and the cheek is rich in capillaries, so the so-called face redness appears. If this phenomenon only occurs in winter, it is caused by temperature.

The second reason is the principle of heat expansion and cold contraction. Hot, make skin blood vessels dilate, cause face flush. Cold, so that vasoconstriction, but after the temperature rises, blood vessels will be anti elastic expansion, resulting in blushing. There are also people in extremely cold temperatures, may also be caused by abnormal expansion of blood vessels blush.

Reason 3: when the temperature difference is too large, the blood vessels lose elasticity in repeated contraction and expansion. If the duration is short, it can immediately return to its original state. If the blood vessels are excessively dilated, it will make the face look red at ordinary times.

matters needing attention

Easy to blush people should pay attention to avoid sun exposure, eat less spicy and stimulating food, drink less, less angry.