You’ve probably heard the claim that it takes more muscles to frown than to smile. It’s usually framed as a feel-good reason to turn your frown upside down – less effort, more joy. But anatomically, ...

In the mid 1800s, a French neurologist by the name of Duchenne de Boulogne began conducting pioneering electrophysiology research, hoping to understand more about the brain and nervous system. He ...

Fake smiles do not necessarily indicate dishonesty. They also might be used in most instances as a coping mechanism. Since childhood, people are taught to smile at everyone across as pleasant in ...

Michelle Spear does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...