If a genuine smile tells the brain you’re happy, a fake smile tells the brain you’re not–then makes you feel worse. The problem with telling someone to put on a happy face is that smiling means ...

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The idea of hiding behind a smile is the backbone of the Smile movies. It’s the idea that ...

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, the ...

Everybody everywhere smiles. Across all cultures, people smile. In fact, smiling may be an evolutionary throwback to the silent bared-teeth display of nonhuman primates. Although babies start smiling ...