Scientists detected a huge number of nanoplastics in bottled water sold in the United States, new research shows. Nanoplastics, which are about 100,000 times smaller than a sheet of paper is thick, are even smaller and potentially more damaging than microplastics.
Kaitlin Sullivan is a health and science journalist based in Colorado. She's been part of multiple award-winning investigations into health topics including the international medical device industry and maternal mortality in New York City.Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content.
One analysis estimated that Americans ingest more than 44,000 microplastic particles every year and inhale more than 46,000. But until recently, scientists couldn’t reliably measure even smaller particles, called nanoplastics. Other types, including polyvinyl chloride or vinyl , polyamide nylon , polypropylene , and polystyrene , which is typically used in plastic foam, were likely introduced to the water before it was packaged since the packaging was not made from these materials.
Pasricha said he expects studies like this to be a call to action for the scientific community to better understand how different types of plastic impact human health. Most research into plastic compounds’ effects on health has been conducted on animals, not humans. While some human studies have found phthalates, one of the most common chemicals used to make plastic, may cause more weight gain during pregnancy and increase a woman’s risk for gestational diabetes, these studies have not yet proven cause and effect.
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