In physiology, a smile is a facial expression formed by flexing muscles most notably near both ends of the mouth, but also around the eyes. The study by Dacher Keltner, a psychology professor at the University of California in Berkeley, near San Francisco, analyzed the 43 facial muscles used by humans to charm, smirk and appease.
The most people think we smile because we are happy. In fact, there are many causes of smile. For example, we smile for response to the speaker, polite smile when we receive s present, saying hello. Sometimes, we smile to police when you were arrested by reason of your embarrassment.
According to the studies of physiology, the smile can say where you are from. British smile by pulling our lips back and upwards and exposing our lower teeth, but Americans are more likely simply to part their lips and stretch the corners of their mouths. For Thais, I think we are smile like Americans, but more sincere than them.
However, Smiling not only changes a facial expression or says where you are from, but can also make the brain produce endorphins which reduce physical and emotional pain, and give a greater sense of well-being, so when we are tense, just smile, It will be better.
The most people think we smile because we are happy. In fact, there are many causes of smile. For example, we smile for response to the speaker, polite smile when we receive s present, saying hello. Sometimes, we smile to police when you were arrested by reason of your embarrassment.
According to the studies of physiology, the smile can say where you are from. British smile by pulling our lips back and upwards and exposing our lower teeth, but Americans are more likely simply to part their lips and stretch the corners of their mouths. For Thais, I think we are smile like Americans, but more sincere than them.
However, Smiling not only changes a facial expression or says where you are from, but can also make the brain produce endorphins which reduce physical and emotional pain, and give a greater sense of well-being, so when we are tense, just smile, It will be better.
P.S Keep a smile every day na I think is that good for you and your friends.
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