You are injesting tiny amounts of microplastics. However this plastic will just go straight through your digestion system without doing any harm. The plastic used for things like drinking bottles are specifically selected because there is no way they can interfere with your body. There are actually quite few plastics which can interfere with any biological processes as plastic generally is very chemically stable.
I don’t know why nobody brought up the plasticizers. Basically plastic by nature is a hard brittle substance combined with a soft tough one. These plasticizers like bisphenol-a (BPA) make the plastic flexible. They also have an estrogenic effect in the body and disrupt the endocrine system. There was a big stink a few years ago and bpa was removed from many things and replaced with other placticizers which also have the same effect on the body but have the advantage of being able to be sold with tags that say BPA free. BPA was singled out because of its common usage. So the best way to avoid it is…I guess time machine?
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