what is the process used in making chewing gum? Answered

Plastics and synthetic rubbers ? ? ?

I assumed it was a natural gum base.

This film made me check it out . . . oh dear!

http://dherbs.com/articles/dangers-of-chewing-gum-244.html

A lot of people freak out about man-made versus natural. Who's to say natural isn't harmful? I can think of a lot of harmful natural substances...

That is indeed true but your video made me interested enough look up look up;

'Gum arabic carcinogenic '

and  

'Polyvinyl acetate carcinogenic'

The search results were very different.