Maybe, but all sorts of things could have long term effects. Even without plastic, the environment is full of toxic or non-digestible things, like dust, or pollen. Many organisms don't want to be eaten and shed particles that evolve to be non-digestible.
If you worry too much about what MAY be dangerous, you couldn't leave the bed anymore. Remaining in bed is definitely dangerous. Not drinking water is also definitely dangerous.
If you worry too much about what MAY be dangerous, you couldn't leave the bed anymore. Remaining in bed is definitely dangerous. Not drinking water is also definitely dangerous.