I wonder why the chewing gum producers fail to mention that gum base is food grade plastic. Synthetically altered reisens derived from natural sources. Plastic. I like the idea of chewing on plastic, I like plastic erasers, and the grips and nubs from mehanical pencils. They are more satisfying to chew on than gum sometimes. When I think of my gum being polymer, I feel happier about chewing it.