While it's widely known that chewing more improves digestion, research suggests it can also boost our brains and even help fend off Alzheimer's.

Humans have been chewing gum for thousands of years, long after the flavor fades and without any clear nutritional benefit. The habit dates back at least 8,000 years to Scandinavia, where people ...

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.