Chewing gum is a popular pastime for many, offering a burst of flavor, a distraction from stress or a tool for freshening breath. However, while it may seem like a harmless habit, chewing gum can lead ...

"I guess people chew harder when they are sad," William Wrigley Jr. said during the Great Depression, as his gum empire kept making money while tens of thousands of businesses went bankrupt. A 1918 ...