The principle of laughter ... when we feel happy or see something interesting, we laugh. Recent research shows that laughing often can improve people's immunity. Therefore, laughter has received great attention. However, why on earth should we laugh? According to scientists, only humans and some monkeys can laugh among the creatures on the earth. Indeed, we have never seen a chicken or a duck laugh. It would be terrible if a frog could laugh.

There are many kinds of laughter, and scientists have different views on it. Freud, Kant (1724~ 1804, German philosopher), Bergson (1859 ~ 19465438, French philosopher, 1929 Nobel Prize in Literature laureate) and other scholars laughed.

Next, I will introduce you to a theory about laughter, which may have gone beyond the scope of psychology. American psychiatrist V·S· ramachandran wrote in The Brain? Or a ghost? There is such an interesting narrative in the book: "When there is an emergency that needs vigilance, people will be nervous; But when you figure out the situation and find that this is not a threat to yourself, people will laugh. "

For example, if a fierce man dressed in black suddenly walks up to you, you will have an ominous premonition, so you will be more alert and nervous. But, unexpectedly, the man suddenly asked you for directions with a smile on his face. At that moment, your uneasy heart was put down At the same time, you also found that this man's front teeth were still stuck with a vegetable leaf, and you couldn't help laughing.

In other words, people will be nervous when they feel danger, but they will naturally laugh when they find that danger does not exist. Psychologically, the explanation for this situation is that laughter is a way to relieve some kind of tension, and people can achieve psychological balance through laughter. "Smiling ingratiatingly" and "smiling obsequiously" are also ways to relieve tension.

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