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So when you break it down to its basic elements, what is a smile? In technical terms, a smile is caused by the firing of cranial nerve VII which then activates the zygomaticus major (cheek raising) and orbicularis oculi (eye crinkling) muscles. There are different types of smiles, each representing different points on the emotional …

The Science Behind Your Smile, Part 2: A Smile is Universal Read More »

We can paint it, smooth it, tighten it, or fill it, but without resorting to a paper bag, we cannot hide it. We take our face with us whenever we go and too often it reveals more than we would like. Some can succeed in the World Series of Poker or tense diplomatic discussions, but …

The Science Behind Your Smile, Part 1: Dr Duchenne’s Smile Read More »