Warning: Microplastics Are No Longer Just an Environmental Issue

The Growing Concern About Plastic Exposure Inside the Human Body

For years, plastic pollution was treated mostly as an environmental problem—something floating in oceans, washing onto beaches, or collecting in landfills.

That understanding has changed dramatically.

Researchers are now finding microscopic plastic particles not only in the environment, but inside the human body itself.

Microplastics and nanoplastics have been detected in drinking water, food, household dust, blood, lungs, reproductive tissues, and even human organs. While scientists are still studying the full long-term impact of this exposure, one thing is becoming increasingly clear:

Modern life has created constant contact with plastic particles that most people never see and rarely think about.

Micro- and Nanoplastics in the Human Brain: Mechanistic Plausibility, Translational Challenges, and Links to Neurological Disease Trends

The exponential growth in plastic production since the mid-twentieth century has led to the pervasive presence of micro- and nanoplastics (MNPs) across ecosystems and human exposure pathways, coinciding with a rising global burden of neurological disorders. Increasing evidence demonstrates that MNPs are not confined to peripheral tissues but can accumulate even in the human brain, raising concerns about their potential contribution to neurological disease. This structured review synthesizes…

Metal-phenolic network-assisted electrochemical selective tracking of polystyrene nanoplastic particles in drinking water

Nanoplastics (NPLs) are emerging contaminants of growing concern due to their persistence, bioavailability, and potential risks to aquatic ecosystems and human health. Yet, their detection remains challenging even in bottled drinking water due to low cost, selectivity, and sensitivity. Herein, we report a mechanism-driven electrochemical sensing strategy for polystyrene nanoplastics (PS NPLs) based on the formation of a metal-phenolic network (MPN). Tannic acid (TA) exhibits strong and selective…

Health Risks of Prenatal and Early-Life Microplastics Exposure: A Comprehensive Review

Microplastics (MPs) and nanoplastics (NPs) are emerging environmental contaminants that have raised increasing concern regarding their potential health effects. During pregnancy and early life, developing organisms are particularly vulnerable due to immature biological barriers and the dynamic nature of organogenesis. This review summarizes current evidence on maternal and early life exposure routes to MPs and NPs, including oral ingestion, inhalation, dermal contact, and transplacental…

Reassessing Toxicity Claims of Micro- and Nanoplastics in Human Health Research

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Exploring the Relationship Between Microplastic Exposure and Bone Health

The ubiquity of microplastics and nanoplastics (or microplastic and nanoplastic particles, collectively MNPs) in the modern environment has led to detection of polymer particles and polymer-associated chemicals repeatedly within human tissues and fluids, inevitably raising concern for long-term effects on organ systems, including the skeleton. Accumulated evidence over the last decade implicates MNPs and plastic-associated endocrine disrupting chemicals (EDCs), such as phthalates and bisphenols,…

The bioaccumulation and carcinogenic potential of micro- and nanoplastics in humans

The rising concentrations of anthropogenic microplastics (MPs; 1 µm to 5 mm) and nanoplastics (NPs; < 1 µm) pollution pose a global crisis, presenting a grave threat to the ecosystem and the health of living creatures within. Studies between 2024 and 2025 reported the bioaccumulation of MPs and NPs (MNPs) in several human organs. However, unlike animal and cell line studies, the relationship between MNPs exposure and carcinogenesis in humans remains unclear. To our knowledge, this is the first…

Methodology, characterization, and multiple-path particle dosimetry modeling of laboratory inhalation exposure for micro-nanoplastic particles in rodents

Plastics are ubiquitous in all trophic environments. Human exposures primarily occur via ingestion, inhalation, and/or injection routes. However, laboratory models of micro- and nanoplastic (MNP) particle exposures replicating the human condition remain inconsistent and uncharacterized, thus limiting study strength and compromising the reliability of results. The purpose of this study was to thoroughly optimize and characterize an established methodology for MNP rodent inhalation exposures, and…

The impact of micro- and nanoplastics on human pulmonary health; an umbrella review

The pervasive environmental contamination of microplastics (MPs) and nanoplastics (NPs) has raised significant public health concerns, with the respiratory tract being a critical route of exposure. While a growing body of evidence suggests adverse pulmonary effects, a comprehensive synthesis of systematic reviews (SRs) is lacking. This umbrella review systematically consolidates evidence from published SRs to evaluate the impact of MP and NP exposure on human pulmonary health. Accordingly, a…

Advances in Male Reproductive Toxicology of Nanoplastics: Potential Risks to Human Reproduction-A Systematic Review

Microplastics and nanoplastics (MPs/NPs) have emerged as pervasive and persistent environmental contaminants, prompting significant concerns about their potential risks to human health. This review provides a comprehensive synthesis of the current state of knowledge on the reproductive toxicity induced by MPs/NPs, with a particular focus on nanoplastics (NPs, <100 nm) due to their enhanced ability to cross biological barriers and induce cellular damage. Following a systematic literature search,…