Genuine smiles activate both mouth and eye muscles, while fake smiles involve only the lips, revealing emotional authenticity through facial cues.

When a baby smiles at you, it's almost impossible not to smile back. This spontaneous reaction to a facial expression is part ...

We all know how sore our bodies can be after a trip to the gym. Turns out, simple daily movements like smiling, frowning, and chewing can give your facial muscles a major workout too. So just like ...

Face exercises, also known as "face yoga," are one of the latest wellness trends, with plenty of videos demonstrating how to perform them on social media. Dr. Taz Bhatia, a board-certified medical ...

In the late 1960s a psychologist named Albert Mehrabian co-authored two influential studies investigating how important the semantic meaning of words were in regards to how people communicate emotions ...

Facial expressions of emotion—such as the joyful smile you might display when encountering a friend or your angry frown when being cut off in traffic—are powerful social signals that are able to evoke ...

We know our faces may give away our fibs -- whether it's shifty eyes, a sweaty upper lip, a slight smirk, or Pinocchio's fictitious lengthening nose. Now a new study reveals that muscles in the upper ...