Smiles are strange things. People use them when they are happy, yes, but also when they are uncomfortable, bored, anxious, or trying to be polite. Sometimes a smile has nothing to do with joy at all.

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 ...

I don’t like negotiating. I don’t like confrontation. I don’t like people watching me do something I’m not quite sure how to do. I wouldn’t say those situations stress me out… but they do raise my ...

The horror movie "Smile" has been racking it up at the box office, which got me thinking about how many people hate smiles. I’m not talking about terrifying psychopath smiles or creepy clown smiles.

Ask someone you know if they feel stressed, and I’ll bet you that their answer will be yes. Granted, that’s an easy wager. Studies show approximately 80 percent of U.S. workers say they experience ...

I got 14 out of 20 right. worth doing the test just to read the end piece. Technically, weren't they all fake? They all looked like they were smiling "on cue" IMO, it's not worth going through all ...

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 ...