Andrew Huberman· PhD
remember initially it was thought to be 30,000 particles per liter then later it was discovered using better techniques that it's actually more like 240,000 on average particles per liter
The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
remember initially it was thought to be 30,000 particles per liter then later it was discovered using better techniques that it's actually more like 240,000 on average particles per liter
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there was an analysis of the number of microplastic and nanoplastic particles in bottled water and it was estimated that there were about 30,000 of these particles per liter of water okay and those data stood for quite a long time then Imaging techniques for measuring the number of these different particles in particular the really small Nano particles the ones that are less than one micron in diameter the Imaging tools for those improved okay and I'll explain a little bit about that in a moment and there was a paper published in the proceedings of the National Academy of Sciences in 2024 that showed that the amount of nanoplastic in particular but microplastic and nanoplastics that are present in bottled water was actually vastly underestimated in that previous study rather than 30,000 particles per liter the reanalysis with better methods showed that it was anywhere from 110 all the way up to 400,000 particles per liter and the average was 240,000 particles per liter
In 2024 they published a landmark study showing 240,000 nanoplastic particles per liter in plastic bottled water. (PMID 38190543)
A new study reveals bottled water contains up to 100 more microplastic particles than previously estimated. Utilizing advanced techniques, researchers found that popular water brands contain an average of 240,000 microplastic particles per liter, a count that's 10 - 100 times higher than past estimates.