Analysis: What makes a smile feel sincere or fake is due to a surprising blend of facial anatomy, neurology and emotional authenticity You've probably heard the claim that it takes more muscles to ...

But what is it about a smile that makes it feel sincere — or fake? The answer lies in a surprising blend of facial anatomy, neurology and emotional authenticity. Not all smiles are created equal ...

But what is it about a smile that makes it feel sincere — or fake? The answer lies in a surprising blend of facial anatomy, neurology and emotional authenticity. Not all smiles are created equal, and ...

But what is it about a smile that makes it feel sincere—or fake? The answer lies in a surprising blend of facial anatomy, neurology and emotional authenticity. Not all smiles are created equal ...

Michelle Speer, a professor of anatomy at the University of Bristol in the UK, explained the scientific method of identifying such 'fake smiles.' The anatomy of a smile: how to spot a fake from ...

But what is it about a smile that makes it feel sincere — or fake? The answer lies in a surprising blend of facial anatomy, neurology and emotional authenticity. Not all smiles are created equal ...