The smallest plastic particles can be found not only in the sea or drinking water, but also in the air. Researchers have studied what happens to them when they are inhaled.
When it comes to microplastics – plastic particles that are smaller than five millimeters – a comparison keeps haunting the media: people would ingest about as much microplastics a week as a check card weighs, namely five grams. “We eat a whole one every week Credit card!”, warned Picture some time ago.