He explained that people often react with shock when they learn that chewing gum shares similar building blocks with materials found in car tyres, plastic bags, and bottles.

Chewing gum releases hundreds of tiny plastic pieces straight into people's mouths, researchers said on Tuesday, also warning of the pollution created by the rubber-based sweet.

Researchers have found that chewing gum releases microplastics into people's mouths, adding another source of microplastic ...