Smiling is Contagious

A smile is a facial expression formed primarily by flexing the muscles at the sides of the mouth. Some smiles include a contraction of the muscles at the corner of the eyes, an action known as a “Duchenne smile”. Smiles performed without the eye contraction can be perceived as fake.A smile seems to have a favorable influence upon others and makes one likable and more approachable. This is the reason behind each smile you get from a receptionist at the hotel, or from a flight attendant.

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