Parmigiano-Reggiano makers are putting edible microchips the size of a grain of sand into their 90-pound cheese wheels to combat counterfeiters::Italian Parmigiano-Reggiano makers are using microchips to verify the authenticity of their products and thwart scammers.
Once?
I did eat those chicken wrappers accidentally at a buffet.
You can probably get away with it more than once, after all there was that one person who was addicted to eating plastic. I will say it definitely isn’t good for you to do it, so I definitely wouldn’t recommend it.