That’s because most chewing ... of gum for four minutes, spitting out saliva samples every 30 seconds, before a final rinse. On average, they found that every gram of gum would release 100 ...

The person chewed each piece of gum for four minutes, and spat out samples of saliva every 30 seconds, before ... chewing itself is rough enough to cause the plastic to break off. After eight ...

If you enjoy a refreshing stick of gum now and then, you may be biting off more than you should chew. A recent pilot study found that chewing gum ... an average of 100 microplastics were ...