But it also may help to be happy, a new study says. Even if you're grumpy by nature, just try to be cheerful. Researchers at Columbia University rated the happiness levels of more than 1,700 ...

Today's "stuff-that's-bad-for-you" news: faking a smile. Turns out, if you put on an insincere happy face it may be bad for your health. A study by Michigan State University researchers published ...

Fake It! Decades of research bear out the basic truth: your mood is elevated and your stress is reduced if you plaster a big smile on your face , even for a short period of time. (Frowns have been ...

Can smiling make you happy? "Come rain or shine, if you put a smile on your face, it changes how you feel from the inside out," writes Nicci. "A smile radiates love, warmth, and happiness to ...

Mona Lisa’s smile is mysterious, the Cheshire Cat’s is devious, the Joker’s is mischievous and Buddha’s beatific. Humans probably have been smiling for as long as they’ve been around.

Writing for the blog Buffer, Leo Widrich wrote: "Whenever we smile, there are 2 potential muscles we activate.The first one is the zygomaticus major and it controls the corners of your mouth ...

But can forcing a smile actually cheer you up? The question has been controversial among scientists, Marie Cross, an assistant teaching professor of biobehavioral health at Penn State, told Live ...

You've heard it before: to avoid a heart attack don't smoke, eat right and exercise. But it also may help to be happy, a new study says. Even if you're grumpy by nature, just try to be cheerful ...