The reason why some people cry is that their eyes are very red and some people don t

Some people's eyes are red after crying because her eyeballs are covered with more capillaries, and when she cries, her blood boils, so her eyes look red.

Some children love to cry very much, and the more they persuade, the more they cry, the more they cry, and as a result, they cry with a big red circle and their eyelids are red and swollen. This is because people's eyelids are too thin, and there are quite a lot of blood vessels, and after crying for a long time, the blood vessels dilate and become congested too much, and a big red circle is revealed.

In addition, when children cry, their eyes are closed, the muscles under the eyelids are tightly contracted, the blood in the blood vessels of the eyelids cannot flow smoothly, and the hands continue to rub the eyelids, and the eyelids gradually accumulate some oozing fluid, so that the eyelids are temporarily swollen.

Why do people cry.

When faced with grief and pain, people often shed tears and even burst into tears.

According to the researchers, half of the crying was due to sadness, according to the reason for the reason for crying; 1 10 is due to irritation; 1 15 is due to compassion; 1 20 is due to worry; 1 30 is due to fear. Most people think that they will only laugh when they are happy, but this is not entirely the case. When happy and excited, tears can also burst out of the eyes, accounting for about 1 5 of the cryers, and the proportion is quite high.

Many children cry and shout when they get the injection. According to scholars, this may be to alleviate the pain, as it is found in the tears that there are harmful chemicals that can cause pain. By weeping and expelling them, one will be more relaxed.

According to the survey, 85 percent of women felt more relaxed after crying, compared to 73 percent of men. Despite this, crying itself is a sad and painful behavior after all, so it is not better to cry more, if you cry a lot and don't know how to control it, if you often wash your face with tears like Lin Daiyu, it will definitely not be beneficial to your health.

There is no difference between men and women when a child cries, but adult men think they are stronger than women, so there has always been a saying that "men don't flick when they have tears". A survey of the "normal" crying behaviour of men and women shows that women do cry more often, on average five times more than men. Women cry 5 out of 10 times because of tears, while men only account for 29

People cry for different lengths of time at a time. The short one is only 2 seconds, and the long one is up to two hours, with an average of 1 2 minutes.

There are people who have never cried. There is a girl named "Xiaoxiao" in my country who did not cry at the moment of birth. Later, when she was thirsty, hungry, cold, or hot, she would not cry when she was beaten or frightened.

Her father said she lacked the ability to cry. It's still unclear why Xiaoxiao doesn't cry.

When tears suddenly welled up, I thought: Why do people cry? Primates, humans are the only ones who shed tears.

Charles Darwin, the founder of the theory of evolution, once speculated that tears were the relics of some kind of evolution... When crying, the microvessels around the eyes become congested, and at the same time, the small muscles contract to protect the eyes, causing the lacrimal glands to secrete tears...

For the human body, tears are a by-product of no effect, and the American anthropologist Montago has the exact opposite theory: human tears are the result of the survival of the fittest. Tears contain lysosomal bacteria, a self-defense substance that protects the nasopharyngeal mucosa from bacterial infection...

Then there were studies that divided tearing into reflex tears and emotional tears... The protein content of reflective tears is significantly lower than that of emotional tears... This protein is a painkiller-like chemical...

Tearing is an act of excretion... It can eliminate the biochemical toxins caused and accumulated by the human body due to emotional stress... Restoring the mental and physiological balance of the weeping ...

Female ** tears are mostly emotional... The pain and sorrow of strangers can't resonate with Li Maran... That kind of feeling needs to be cultivated, just like watching movies and television in the hall, it needs to be sensational...

Just as in the old days of crying and mourning, we talked while crying... I think of some trivial things when we get along... No one goes home anymore ...

No one checks whether the doors and windows are closed every night before going to bed... No one cares about warmth and coldness anymore ... I also remembered some things that I didn't do well...

Once impatient emotions ... That's how I couldn't help but cry... It's a confession...

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