How this page evolved

Every published version is kept. Each entry shows what changed and why. Earlier versions can be restored by moderators, but only if the material they rely on is still available.

1. Revision 4Sep 30, 2026, 7:42 PMLive

   Added a reader poll shown alongside published survey figures.

   • · Minor wording changes.
2. Revision 3Sep 30, 2026, 6:25 PM

   Added the NEJM heart study, the brain tissue study, and why measurement methods are disputed.

   • · Added section “Evidence on harm”.
   • · Added section “Why the numbers are disputed”.
   • · Key takeaways were added.
   • · 2 new pieces of guidance for specific situations.
   • · 1 new open question.
3. Revision 2Sep 30, 2026, 6:25 PM

   First brief from WHO's assessments and the 2024 nanoplastics measurement study.

   • · The main finding was rewritten.
   • · Added section “How much we're exposed to”.
   • · Added section “Where they end up in the body”.
   • · 5 new sources cited.
   • · The note on uncertainty changed.
   • · 2 new open questions.
4. Revision 1Sep 30, 2026, 6:25 PM

   Created the Sylo.

   • · First published version.