But did you know that smiling also triggers activity in your brain? Yep, there’s a serious mind-body connection there, in your left frontal cortex to be exact, which is—not surprisingly—the area of your brain that registers happiness.
How often do you smile in a day? Do you smile when you meet new people? When you see your friends? Around your co-workers?
Your face has 44 muscles in it that allow you make more than 5,000 different types of expressions, many of which are smiles