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Microplastics and human health: unraveling the toxicological pathways and implications for public health
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This review pulls together recent research on how microplastics enter the human body and cause cellular damage through inflammation, oxidative stress, and direct cell injury. The authors highlight that microplastics can also amplify the harmful effects of other environmental pollutants they carry, creating combined health risks that are greater than either threat alone.
The increasing prevalence of microplastics (MPs) in the environment has raised urgent concerns regarding their implications for human health. This comprehensive review integrates recent findings on the sources, classification, and pathways of MPs into the human body, highlighting their potential cellular toxicity and systemic health risks. We discuss the mechanisms by which MPs may induce inflammatory responses, oxidative stress, and cellular damage, thereby contributing to various diseases. Notably, we examine the synergistic effects of MPs in conjunction with other environmental pollutants, which may amplify their adverse health outcomes. This synthesis of current research underscores the critical need for multidisciplinary approaches to investigate the multifaceted interactions between MPs and human health, ultimately guiding future studies and informing public health strategies to mitigate exposure and associated risks.
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Microplastics and Nanoplastics in Health Concerning Cellular Toxicity Mechanisms, Exposure Pathways, and Global Mitigation Strategies
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This review synthesizes current knowledge on how micro- and nanoplastics cause cellular damage in the human body, covering mechanisms like oxidative stress, inflammation, DNA damage, and disruption of cell signaling pathways. Researchers note that exposure occurs through multiple routes including ingestion and inhalation, allowing particles to reach organs throughout the body. The study highlights significant gaps in understanding long-term and low-dose exposure effects that are most relevant to everyday human contact with these particles.
Recent insights into uptake, toxicity, and molecular targets of microplastics and nanoplastics relevant to human health impacts
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This review summarizes what scientists know about how tiny plastic particles enter the human body and cause harm at the cellular level, including through inflammation, oxidative stress, and disruption of important cell signaling pathways. Americans are estimated to consume tens of thousands to millions of micro- and nanoplastic particles per year, and these particles can penetrate cells and tissues throughout the body.
Human Exposure to Microplastics and Its Associated Health Risks
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This review examines how microplastics enter the human body through food, air, and skin, and have been detected in stool, blood, and tissues. Research in lab animals and human cells shows that microplastics can disrupt digestion, immunity, the nervous system, and reproduction, and can also amplify the toxicity of other environmental pollutants they carry.
The Impact of Microplastic on Human Health
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This review synthesized evidence on microplastic exposure pathways and health effects in humans, finding that microplastics enter the body via ingestion, inhalation, and dermal contact and are associated with oxidative stress, inflammation, genotoxicity, and endocrine disruption.
Adverse Outcome Phenomena and Toxicity Mechanisms of Micro and Nanoplastics in Human Health
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This review examines the growing evidence that micro- and nanoplastics can enter the human body through food, water, and air, and may contribute to harmful biological effects. Researchers found that these tiny particles can trigger oxidative stress, inflammation, and disruption of hormonal and immune systems in laboratory studies. The study highlights the need for a unified research approach to better understand how microplastic exposure may affect long-term human health.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.