Plastics and Petrochemicals

Microplastics are tiny particles of different kinds of plastic that come from many sources. At less than five millimeters in size, most are jagged with sharp edges and are too small to see. It is the smallest ones that are the most dangerous since they can penetrate cell membranes, induce inflammation, and disrupt metabolic processes. The tiniest of plastic fragments, called nanoplastics, are smaller than one micron, cannot be expelled by the body, and are far more abundant and dangerous than the larger microplastics.

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