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According to the US "Medical News Today" website and the official website of the United Nations, microplastics are "ubiquitous", but they do not necessarily pose a threat to human health
.
What are microplastics?
What are microplastics? What are microplastics?Plastic particles with a diameter of less than 5 mm are generally referred to as "microplastics" (in which particles with a diameter of less than 100 nanometers, even smaller than viruses, are also called "nanoplastics")
.
Where do they come from?
Where do they come from?First, large pieces of plastic break down over time and become microplastics; some industrial products contain microplastics themselves: microplastic abrasives are common in products such as toothpaste and facial cleansers
.
Where do you gather the most?
Where do you gather the most?Microplastics can be carried into the ocean by wastewater and eaten by marine animals
.
A 2020 study examined five different types of seafood and found microplastics in every sample
.
Microplastics flow up the food chain
.
What does WHO say?
What does WHO say?For the first time in 2019, WHO summarized the latest research on the impact of microplastic pollution on humans, and concluded that microplastics are "ubiquitous" but do not necessarily pose a threat to human health
.
