Many people don’t realize that there are various health reasons why someone might feel uncomfortable showing their teeth when ...

Smiles often mask true feelings, serving as protective gestures rather than expressions of joy. Genuine smiles involve the ...

A smile means that someone is happy—or maybe not. Although we associate smiling with happiness, people can use a smile to convey a whole range of different messages. Research in nonverbal ...

In post-pandemic Japan, some people may have forgotten how to smile – as evidenced by “smile practice seminars” that have cropped up and reportedly gained traction across the country. Japan had eased ...