the smile In physiologists, it is a facial expression formed by flexing the most visible muscles that are close to both ends of the mouth. Among humans, a smile is usually used to express pleasure, or Happinese, or an exclamation, but it can also be an involuntary expression of concern in which case it’s called a grimace. There is plenty of evidence that smiling is a natural response to a stimulus, regardless of culture or society. Happiness is usually the motivator that most often produces a smile. In animals, the baring of teeth, which can represent a smile, is often used as a threat, as a warning sign – known as a snarl – or as a sign of submission. I have chimpanzeeA smile expresses fear. The science of studying smile includes several sciences, including: Physiology and taught the language.

Historical background[عدل]

Many biologists believe that smiling began as a sign of fear. Some researches have been able to trace the history of the smile back to thirty million years from the revolution in the evolution of organisms into a “smile of fear” that emerged from monkeys who often use clenched teeth to appear incapable of harm.

Smile in religion and science[عدل]

It is recognized that a smile speeds up the healing of diseases and is the best medicine for the human heart. Because a smile is food for the soul and spirit, because it helps digestion, preserves youth and increases life, and a smile refreshes our work, pushes it forward, and makes it endearing to us.

A smile increases the activity of the mind and its return, and strengthens the ability to fix memories and expand the arena of attention and intellectual depth, and thus one becomes more capable of imagination, creativity, and accuracy of thinking, and a smile gives us inner happiness, and thus the face’s radiance increases again with vitality and activity.

Laughter is a consolation for grieving hearts, and a medicine for deep wounds, including what the French scientist, Pierre Fache, found after years of research on the topic of the benefits of laughter.

At the same time, it leads to an increase in the secretions of the endocrine glands such as the pancreas, adrenal glands, thyroid, pituitary, and thymus, and at the forefront of these glands is the heart because the heart is also an endocrine gland and secretes the atrial natriuretic peptide hormone.

Another scientist has discovered that laughter increases the secretion of beta-endorphin, a hormone that reaches brain cells, and gives a narcotic effect similar to that of morphine, and one of the results is a person’s eternity to sleep well. This is an important point for people with depression who suffer particularly from insomnia, anxiety, and sleep full of nightmares.

Laughter and smile are a gift from God Almighty to human nature, to refresh and relax the organs, as well as a self-mechanical movement to massage many organs, especially by means of the diaphragm that affects the lungs, helping the entry and exit of air quickly.

Psychological immunity[عدل]

A person usually needs physical and psychological comfort, especially in our contemporary life, where the ways of life are intertwined and complicated, and the disturbances and troubles haunt us everywhere, and we have to submit to the fait accompli, and rise above these disturbances and send them a calm, sarcastic smile of all these events, in order to preserve our mental balance , and quiet ourselves, or we send a booming laugh.

Laughter is one of the paths of psychological immunity that prevents us from being affected by the pressures we are exposed to in this life and the many of them.

Based on this, laughter may be a response to pain, not pleasure, since its key is the situations that cause us distress or pain, and the one who said, “The worst misfortune is what laughs” was true.

A person often faces situations of panic and anxiety, so he bursts out laughing, which reveals the importance of all these internal and external factors, and in such dangerous situations or when a person laughs to face them, he undoubtedly tries through laughter to raise his morale or to work on muster up his courage

A smile is considered a ray of sunshine, a real balm for healing diseases, and a calm outlet for those with nervous tensions and psychological disorders. .

Because the smile on the patient’s face is of great importance in healing, especially for heart and cancer patients. And it must be a pure, innocent and wide smile, full of love, kindness and tenderness, because it is considered at that moment the first key and the light of hope for the cessation of the disease, and clinging to life, despite the difficulty of these diseases, and thus the doctor is called a doctor for his kindness and orbits, and the wise is wise because he knows the patient and the disease.

The benefits of a smile[عدل]

It is recognized that a smile speeds up the healing of diseases and is the best medicine for the human heart. Because a smile is food for the soul and spirit, because it helps digestion, preserves youth and increases life, and a smile refreshes our work, pushes it forward, and makes it endearing to us.

A smile increases the activity of the mind and its return, and strengthens the ability to fix memories and expand the arena of attention and intellectual depth, and thus one becomes more capable of imagination, creativity, and accuracy of thinking.

Laughter is a consolation for grieving hearts, and a medicine for deep wounds, including what the French scientist, Pierre Fache, found after years of research on the topic of the benefits of laughter.

And at the same time leads to increased secretions endocrine Such as the pancreas, adrenal glands, thyroid, pituitary and thymus, and in the forefront of these glands is the heart because the heart is also an endocrine gland and secretes the atrial natriuretic peptide hormone.

Another scientist has discovered that laughter increases the secretion of beta-endorphin, a hormone that reaches brain cells, and gives a narcotic effect similar to that of morphine, and one of the results is a person’s eternity to sleep well. This is an important point for people with depression who suffer particularly from insomnia, anxiety, and sleep full of nightmares.

Laughter and smile are a gift from God Almighty to human nature, to refresh and relax the organs, as well as a self-mechanical movement to massage many organs, especially through the diaphragm that affects the lungs, and helps the entry and exit of air quickly.

In a deeper way, to the alveoli, which often do not reach air, and the diaphragm, by means of laughter, performs a physical massage of the liver, stomach, and intestines, and helps these organs to activate the processes of emptying and excretion in the stomach and liver.

In the past, it was said, “Laugh and you will be healthy.” Thus, we find that the mechanical and psychological factors that accompany the two processes of laughter have the greatest impact on revitalizing the body and heart and reviving activity.

Duchenne smile[عدل]

A Duchenne smile connects the zygomatic muscles of the cheek and eye, forming crow’s feet. Crow’s legs indicate that the smile is sincere and that the smiler is truly happy. Find it out Dr. Duchenne Therefore, it was named after him.

Scientists have studied the effect of a smile on others, and they found that a smile carries powerful information that can influence a person’s subconscious! They found that each person has his own smile that no one shares with him, and that each smile carries different effects as well, and when they photographed these smiles and displayed them slowly, they found specific facial movements that accompany the smile, and that the same person may have more than one type of smile, depending on The psychological state and according to the conversation he speaks and the people in front of him.. One of the important results of such research is that scientists talk about giving that you can offer to others through a smile. Kind of giving, but it may be the most important. Because studies have shown that a person’s need for pleasure and joy may be more important than his need for food and drink sometimes, and that pleasure treats many diseases, on top of which are heart disorders. 2- Through a smile, you can easily communicate the information to others, because the words carried with a smile have a greater effect on the brain, as fMRI scanners showed that the effect of the phrase varies greatly if it was loaded with a smile. Although the phrase is the same, the areas it raises in the brain differ according to the type of smile that accompanies this information or this phrase. 3- With a gentle smile, you can remove the atmosphere of tension that hangs over a situation, and this is what money cannot do, and here we find that a smile is more important than money, and therefore the least that you give to others is the charity of a smile.

1. Smile and Healing: Many doctors noticed the effect of smiling in healing, and therefore some researchers began to declare that the doctor’s smile is part of the treatment! So when you offer a smile to your friend, wife, or neighbor, you offer him a free recipe for healing without realizing it, and this is a kind of giving.

Sources[عدل]

external links[عدل]

• BBC News: Scanner shows unborn babies smile

• Comedy portal
• Psychology portal
• Community portal

a smile in Sister projects:
	Pictures and audio files from Commons. quotes From wikiquote.

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