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Assessing Impact of Microplastics on Aquatic Food System and Human Health
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This review assesses the impact of microplastics on aquatic food systems and human health, noting that aquatic species exposed to microplastics over extended periods can experience oxidative stress, genotoxicity, neurotoxicity, and reproductive issues. The study highlights that microplastics also act as carriers for other chemical pollutants in aquatic environments, compounding their potential risks through the food chain.
Micro-plastics (MPs) become significantly important to society since their commercial manufacture began in the 1950s because of their low production costs, stability, light weight, and adaptability. Plastic was produced in 400 million tons worldwide in 2020, compared to 1.5 million tons just 60 years earlier. Scientists predict that by 2050, plastic production would increase to 33 billion tons. MPs are a rising scientific and societal issue in the environment as a new type of contaminant that is widely disseminated in aquatic ecosystems and organisms. Aquatic species that come into contact with MPs for an extended period of time experience ecotoxicity, which includes oxidative stress, genotoxicity, neurotoxicity, and reproductive issues. In aquatic environments, MPs not only transport chemicals within animals but also serve as mediators for chemicals or other contaminants. As a result of co-exposure of MPs and chemical contaminants, various toxicity incidences involving aquatic organisms have been reported. The final exposure of MPs occurs in humans through biomagnification of aquatic edible products. This study presents an important overview of the literature on MP ingestion by aquatic biota. It covers topics such as the present scenario of plastic pollution worldwide, the pathways that MPs take to reach humans and aquatic species, the eco-toxicological impacts of MPs on aquatic species, the relation between MPs and other environmental pollution and the ensuing effects on aquatic organisms, and the MP pollution status in Bangladesh.
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Impact of microplastics on human health and aquatic species
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This review examines the harmful effects of microplastics on marine life and human health, covering physical injury, oxidative stress, and disrupted immune responses in fish and other organisms. Researchers found that these impacts can cascade through marine food webs, affecting biodiversity and ecosystem function. The study also highlights growing concerns about human exposure to microplastics through seafood and other pathways.
Microplastics in aquatic environments: A review on occurrence, distribution, toxic effects, and implications for human health
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This review examines the global occurrence of microplastics in aquatic environments and their potential impacts on both aquatic organisms and human health. Researchers found that microplastics are now present in virtually all freshwater and marine systems, where they cause a range of harmful effects including oxidative stress, inflammation, and reproductive disruption in aquatic species. The study highlights trophic transfer, where microplastics move up the food chain, as a key pathway of human exposure.
The Impact of Micro- and Nanoplastics on Aquatic Organisms: Mechanisms of Oxidative Stress and Implications for Human Health—A Review
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This review examines how microplastics and nanoplastics cause oxidative stress, a harmful chemical imbalance, in aquatic organisms from plankton to fish. These tiny plastics accumulate in the food chain and may reach humans through seafood consumption. While the evidence of harm in aquatic species is growing, more research is needed to fully understand the implications for human health.
Microplastics toxicity in aquatic animals
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This systematic review summarizes existing research on how microplastics harm aquatic animals across multiple species. The findings show microplastics can cause physical damage, oxidative stress, reproductive issues, and behavioral changes in fish, shellfish, and other water-dwelling creatures. Since many of these animals are part of the human food chain, their contamination represents an indirect health concern for people.
Microplastics Impact on Water and Aquatic Systems
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This review examines how microplastics enter and affect aquatic ecosystems, summarising evidence of their impacts on fish, invertebrates, and other organisms from accumulation of toxic additives and physical effects. Researchers conclude that microplastics pose growing risks to aquatic biodiversity and to human health through the seafood supply chain.
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