Brain imaging studies shed light on why humans have chewed gum for 8,000 years with research showing chewing activates ...

"I guess people chew harder when they are sad," William Wrigley Jr. said during the Great Depression, as his gum empire kept ...

Gum makers have claimed, for decades, chewing is good for your mental health. They’re kind of on to something. Humans have chewed on gum for millennia. Scientists are still trying to figure out why.

Sara Moniuszko is a health and lifestyle reporter at CBSNews.com. Previously, she wrote for USA Today, where she was selected to help launch the newspaper's wellness vertical. She now covers breaking ...