This suggests that smiling could be a natural coping mechanism that helps us manage physical discomfort. The idea that our facial muscles can actually affect our emotions is known as the Facial ...

wp:paragraph --> Whether you’re talking, scowling or smiling, a groove forms on your skin the moment you move one of your facial muscles. That groove is perpendicular to the movement of the ...

This effect was small and variable but present. The key appeared to be activation of the muscles associated with smiling. Some of the smiles were posed intentionally, whereas others were created ...

All smiling involves contraction of the zygomatic major muscles, which lifts the corners of the mouth. But a Duchenne smile is characterised by the additional contraction of the orbicularis oculi ...