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Is the the smoking gun behind coolie genes small brains??
What are all these microplastics doing to our brains?
Julien Dury and Daniel LawlerFri, 1 August 2025 at 10:43 AM SGT4-min read
Microplastics are everywhere, but data is still lacking about how they could be affecting our brains (Fred TANNEAU) (Fred TANNEAU/AFP/AFP)
Tiny shards of plastic called microplastics have been detected accumulating in human brains, but there is not yet enough evidence to say whether this is doing us harm, experts have said.
These mostly invisible pieces of plastic have been found everywhere from the top of mountains to the bottom of oceans, in the air we breathe and the food we eat. They have also been discovered riddled throughout human bodies, inside lungs, hearts, placentas and even crossing the blood-brain barrier.
The increasing ubiquity of microplastics has become a key issue in efforts to hammer out the world's first plastic pollution treaty, with the latest round of UN talks being held in Geneva next week.