The Evolution of the Smile


The evolution of the smile may be related to the evolutionary role of smiling. A human smile signals pleasure and happiness, while a primate smile signal appeasement and submission. A posed smile involves extra effort of the zygomaticus major muscle, causing the mouth corners to bulge and the teeth to be more exposed. This facial expression has no innate basis, and is merely an adaptation for social interactions. Hence, the emergence of different varieties of human smiles may be due to a combination of genetic and environmental factors.

A genuine smile invites interaction and cooperation. It shows you’re willing to pay attention, cooperate, and take the initiative. People who smile are likely to remember you more than those who don’t. It is also a culturally-conditioned behavior. It makes you more memorable. Having a nice smile can even make you more attractive! This will help you achieve your professional goals. It is important to maintain a pleasant smile to attract more business.

The evolution of smiling was not celebrated throughout history. In 17th century Europe, wearing a smile with your teeth out was frowned upon. Only poor people smirked; the rich and famous enjoyed themselves in the newly opened coffee houses. In the modern era, the opposite is true. Most people feel proud when they smile because it shows they’re happy. So, while smiling might be natural in some cultures, it isn’t universal.

The evolution of the smile was triggered by a series of turning points in human social practices. Researchers at the University of California, Los Angeles, and Cardiff University found that the universality of the smile can be traced back to the evolution of certain cultural factors. For example, a smile can be learned. A recent study conducted by Paul Ekman and his colleagues showed that a smirk could be learned. Another study by Peggy Mason showed that a shared smirk can foster social cohesion.

A smile can be learned. People with a smile are more likely to laugh in situations that are stressful or emotionally stressful for them. If they’re not, it’s possible that their genes may be mutated. It has been known for centuries that humans learn to smile because of social situations. For example, people with depression are more likely to show emotion by smiling. This is why they are often so happy: their face is an extension of their personality.

A smile has an evolutionary and cultural basis. It can be learned. Various studies have shown that a smirk is a biological trait, and it’s genetically programmed in some people. In addition, people with a smile are more likely to interact with others, pay attention to others, and cooperate with them. This means that the evolution of the smile is a genetic trait. If a person does not have a genuine smile, they may not want to do business with them.

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