UNIVERSITY PARK, Pa. -- Fake smiling at work may lead to heavier drinking after hours, according to a new study. Researchers at Penn State and the University at Buffalo studied the drinking habits of ...

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 ...

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, ...