Chewing gum is the latest sneaky source of microplastics, releasing thousands of pieces into your saliva

You might get more than you asked for when you pop a piece of gum.

Lucas Jackson/Reuters

• Chewing gum releases hundreds to thousands of microplastics into your mouth, a new study suggests.
• Chewing gum's base ingredient is synthetic rubber, which is a type of plastic.
• A stick of gum is a relatively small source of microplastics, but a chewing habit could add up.

Microplastics are flowing out of gum as you chew it, preliminary results of a new study suggest.

The...