Microplastics in Aquatic Environments: Environmental Data and Potential Health Implications for Immunosuppressed Populations

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Abstract

This study examines the extensive incidence of microplastics (MPs) within freshwater and Marine ecosystems, characterizing their distribution, composition, and potential health implications for immunosuppressed populations. Utilizing an extensive dataset curated through collaboration with global stakeholders, we systematically analyzed microplastic concentrations and types in various aquatic environments, correlating findings with prevailing environmental parameters such as temperature and turbidity. Our results indicate a pronounced presence of MPs in both Fresh water and Marine Water, with distinct variations. Freshwater ecosystems predominantly exhibited microplastics originating from urban wastewater and recreational activities, demonstrating higher concentrations of fragments and fibers indicative of local anthropogenic influences. In contrast, Marine environments showcased a more diverse spectrum of microplastic morphologies, including debris from larger plastic aggregates and microbeads, facilitated by extensive oceanic dispersal mechanisms. The analysis revealed significant bioaccumulation potential of these contaminants within aquatic organisms, raising concerns regarding food chain transfer and subsequent exposure risks to humans, particularly immunocompromised individuals. Pathological assessments suggest that MPs may exacerbate pre-existing health vulnerabilities by serving as vectors for harmful substances, including endocrine-disrupting chemicals, thus posing increased risks of impaired immune responsiveness and chronic inflammatory conditions. Given these findings, our research underscores the urgency for more rigorous monitoring protocols and public health strategies aimed at mitigating microplastic pollution and protecting at-risk populations. Thus, this investigation not only contributes to the growing body of knowledge regarding microplastic dynamics in aquatic ecosystems but also emphasizes the critical necessity for a multidisciplinary approach to address the intricate relationship between environmental contaminants and human health outcomes.

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