0smile May 2026

Researchers have identified up to 19 different types of smiles, though they generally fall into three categories: reward, affiliation, and dominance.

Used to show friendliness or comply with social norms, this smile moves the mouth but typically does not reach the eyes. 0Smile

Smiling triggers chemical reactions that boost your well-being. What's the science behind a smile? - British Council Researchers have identified up to 19 different types

A smile is a universal, instinctual human expression used to show joy, connection, friendliness, or even comfort in difficult situations. While often deemed a simple gesture, it is a complex, 43-muscle action that serves as a powerful nonverbal communication tool. What's the science behind a smile

A closed-mouth smile used to indicate submission or discomfort.

A genuine smile that is being repressed to conceal extreme excitement or emotions.

Here is a comprehensive guide to understanding, practicing, and improving your smile. 1. The Science and Types of Smiles