You probably don't think twice about chewing, but scientists now say the evolution of chewing could have played a major role in how humans evolved over time. A new study researchers published in the ...

Humans spend about 35 minutes every day chewing. That adds up to more than a full week out of every year. But that’s nothing compared with the time spent masticating by our cousins: Chimps chew for ...

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 ...