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Population exposure to microplastics from food and drinking water - challenges for public health
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This review pulls together existing research showing that tiny plastic particles are commonly found in our food, water and even our bodies, possibly triggering inflammation and stress on cells. While scientists haven't yet proven these particles directly cause disease, the widespread exposure is concerning enough that researchers are calling for better testing methods and safety limits.
Background. Microplastics are widespread environmental contaminants increasingly detected in food, drinking water and human tissues, raising concerns about their potential health effects and public health implications. Aim. This review aimed to assess population exposure to microplastics from food and drinking water, identify major dietary sources, evaluate potential health effects, and discuss challenges for monitoring, prevention and public health policy. Material and methods. A narrative review of scientific literature on human exposure to micro- and nanoplastics was conducted, focusing on their occurrence in food and drinking water, exposure routes, mechanisms of toxicity, health effects, and regulatory challenges. Results. Food and drinking water are major sources of microplastic exposure, supplemented by inhalation and contamination during food processing, packaging and preparation. Microplastics have been detected in water, seafood, salt, beverages, plant- and animal-derived foods, and human tissues. Evidence suggests that micro- and nanoplastics may cross biological barriers and contribute to oxidative stress, inflammation, impaired intestinal barrier function, gut microbiota alterations, and potential cardiovascular, reproductive, endocrine, respiratory and neurological effects. However, evidence for long-term health outcomes and causal relationships in humans remains limited. Key challenges include the lack of harmonised analytical methods, health-based exposure thresholds and comprehensive regulations. Conclusions. Microplastic contamination is an emerging public health concern associated with widespread population exposure. Further research is needed to establish causal relationships and clinically relevant exposure thresholds. Risk reduction requires standardised monitoring, reduced plastic contamination at source, improved waste management, safer alternatives, and effective public health education.
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Human Exposure to Microplastics: Toxicological Mechanisms and Potential Health Implications - a Narrative Review
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Tiny plastic particles from our food, water, and air are showing up inside the human body, and lab studies suggest they could trigger cell damage, inflammation, and hormone disruption. This review pulls together existing research to show that while the potential risks are concerning, most evidence so far comes from test tubes and animal studies—so scientists still can't say for certain whether microplastics are directly causing specific diseases in people. More real-world human studies are needed before we know exactly how worried to be.
The potential effects of microplastics on human health: What is known and what is unknown
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This review summarizes what is currently known about how microplastics might affect human health, noting that while contamination is widespread in food, water, and air, direct evidence of harm in humans is still limited. Studies in animals and cell cultures suggest microplastics could trigger immune responses, cause inflammation, and affect reproduction and development. The authors call for more rigorous clinical studies to determine whether the levels of microplastics that people actually encounter pose real health risks.
Emerging Threats and Hidden Dangers
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This review pulls together existing research on microplastics, tiny plastic particles now found in our soil, water, air, and food. Scientists have linked exposure to these particles with cell damage, inflammation, and hormone disruption in the body. The catch: we still lack standard testing methods and strong regulations, so the true scope of the risk to human health remains unclear.
Microplastic Pollution in Aquatic Ecosystems: Environmental Behaviour, Biological Impacts, and Public Health Implications- A Comprehensive Review
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This review paper summarizes existing research showing that tiny plastic particles called microplastics are now found throughout our water systems and food chain, including in seafood and drinking water that people consume. The research shows these particles can cause inflammation and disrupt hormones in the body, but scientists still need better methods to study long-term health effects. Understanding microplastic pollution is important because it affects the safety of our food and water supply.
Microplastics and nanoplastics in humans: exposure pathways, biological mechanisms, and implications for health risk assessment
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Tiny plastic particles called microplastics and nanoplastics are everywhere—in our air, food, and water—and this review pulls together existing research on how they might get into our bodies and affect our health, including triggering inflammation, disrupting gut bacteria, and interfering with hormones. The bigger takeaway is that scientists still don't have solid answers on how much exposure is actually harmful or which groups (like children or people with existing health conditions) might be most at risk. This matters because it means current safety guidelines are based on incomplete information, so more research is needed before we can say how worried we should really be.
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