"Five grams of plastic particles on average enter the human gastrointestinal tract per person PER WEEK. This is roughly equivalent to the weight of a credit card."

https://www.meduniwien.ac.at/web/en/ueber-uns/news/default-0f889c8985-1/gesundheitsrisiko-durch-mikro-und-nanoplastik-in-lebensmitteln/