• Yongjin Lee, Jaelim Cho, Jungwoo Sohn, and Changsoo Kim.
• Institute for Environmental Research, Yonsei University College of Medicine, Seoul, Korea.
• Yonsei Med. J. 2023 May 1; 64 (5): 301308301-308.

AbstractMicroplastics are environmental pollutants that prevail in the oceans, remote islands, and polar regions. Exposure to microplastics presents a major emerging threat to the ecosystems due to their potential adverse effects. Herein, we reviewed the literature to provide an up-to-date synopsis of the current understanding of the sources, compositions, and adverse effects of microplastics in humans and the environment. Most studies on microplastics have focused on developing standardized methods for monitoring the occurrence, distribution, and movement of microplastics in the environment, as well as developing microplastic substitutes; however, although humans are exposed to microplastics via various routes, research on the adverse effects of microplastics in humans remains limited. Little is known about the impact of microplastics on human health and the toxic effects that may vary depending on the type, size, shape, and concentration of microplastics. Therefore, more research is needed to understand the cellular and molecular mechanisms of microplastic toxicity and related pathologies.© Copyright: Yonsei University College of Medicine 2023.

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