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Impact of microplastics on food safety and human health
Original title: Impacto dos microplásticos na segurança alimentar e na saúde humana.
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Tiny plastic particles are turning up in tap water, seafood, table salt, and packaged foods, and this research review pulls together existing studies to show how they get into what we eat. Once inside the body, microplastics may trigger inflammation, cell damage, and hormone disruption, though scientists still don't fully know the long-term consequences. The takeaway: this is a growing health concern worth watching, and it highlights the need for stronger food safety rules and more research—not an immediate reason to panic.
The objective of this study is to analyze the contamination pathways of the food chain by microplastics, assess the risks associated with food safety, and discuss the potential adverse impacts on human health. This is an integrative literature review conducted across the Latin American and Caribbean Literature in Health Sciences (LILACS), Virtual Health Library (VHL), Scientific Electronic Library Online (SciELO), and PubMed databases, covering publications from the last 8 years (2018–2026), in addition to technical reference documents. The results demonstrate that microplastics are widely distributed across different food matrices—such as drinking water, seafood, table salt, and processed foods—and can cause harm through inflammatory processes, oxidative stress, chemical toxicity, and endocrine disruption. It is concluded that contamination by these pollutants represents an emerging and growing risk to public health, requiring stricter regulatory measures, continuous monitoring by health surveillance agencies, and advancements in research regarding long-term effects.
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Microplastics in Foods: An Emerging Food Safety Challenge
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Tiny plastic particles called microplastics are showing up in many of the foods we eat every day, and scientists are just starting to understand what this means for our health. This review pulls together existing research on how these particles get into food and what risks they might pose, though much is still unknown about long-term effects on the body. It's a reminder that microplastic contamination is an emerging food safety issue worth watching, even as researchers work to figure out exactly how worried we should be.
MICROPLáSTICOS EN LA MESA: EL IMPACTO DE LA CONTAMINACIóN EN NUESTROS ALIMENTOS
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This review examines the presence of microplastics in commonly consumed foods including fish, seafood, bottled water, and table salt. Researchers found that these tiny plastic particles, originating largely from plastic packaging and environmental pollution, are small enough to penetrate into human cells, tissues, and organs. The study highlights growing concerns that an estimated 79% of all plastic ever produced remains in the environment and continues to contaminate the food supply.
Microplastics and human health: Exposure pathways, toxicological impacts, and sustainable risk management
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Tiny plastic particles called microplastics are getting into our bodies through the food we eat (especially seafood), the air we breathe, and even our skin, and once inside, they may cause cell damage, inflammation, and can carry other harmful chemicals along with them. This review paper pulls together what scientists currently know about these risks and points out that we still don't fully understand the long-term health effects of repeated exposure over time. The takeaway: cutting back on plastic use and pushing for better food packaging and policies now could help protect our health before we know the full picture.
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.
Microplastics and Nano-plastics Contamination in Foods: Current Understanding of the Health Impact on Human and Potential Solutions
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This review examines how microplastics and nanoplastics enter the human body through food sources including fish, shellfish, fruits, vegetables, bottled water, salt, and honey. Researchers summarize evidence indicating that these tiny particles can trigger inflammation, oxidative stress, and disruption of gut bacteria once inside the body. The study calls for more research into long-term health effects and the development of solutions to reduce plastic contamination in the food supply.
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