Gum makers have claimed, for decades, chewing is good for your mental health. They’re kind of on to something.

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

A robot with the ability to chew can provide useful insights on medicated chewing gum for pharmaceutical companies. The study, published in IEEE Transactions on Biomedical Engineering, shows how ...