Your intestines are likely littered with tiny plastic specks, a now-common condition for humans and many other animals around the planet.
"We know that particulate plastic is everywhere in the environment, and it has been found in human intestines and other tissues, like blood, and even in the brain and placenta,"Microplastic particles are absorbed by microfold cells in a lab model of the human intestinal lining. Green outlines indicate intact membranes for epithelial cells, which cover and protect the interior of the intestines. Cell nuclei are shown in blue.
So Chen and her colleagues tried a different approach for the new study, using human intestinal organoids to help them learn what microplastics might do in a real human gut.
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