Fact checked by Nick Blackmer Chewing gum can release hundreds of microplastics—or tiny plastic particles—into saliva, a new study found.While research is still emerging, microplastics have been ...

According to a pilot study presented during the American Chemical Society’s spring meeting, a single piece of chewing gum is liable to release hundreds of polymer particles into our mouths.

Now another source of microplastics in the body has been discovered: chewing gum. Chewing gum contains long molecules called polymers. Some brands of gum contain natural polymers from tree sap.