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Evaluation on the high percentage ate of obesity and CVD in Guam regarding human consumption of microplastics
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This review examined the potential link between high seafood consumption—a major dietary MP source—and the elevated rates of cardiovascular disease and obesity observed in Guam's Pacific Islander population. It proposed that microplastic accumulation may contribute to metabolic disruption and cardiovascular risk in populations with seafood-heavy diets.
Cardiovascular disease (CVD) is the leading cause of mortality worldwide, with Guam exhibiting notably higher rates of CVD and obesity compared to the mainland United States. This review examines the potential link between microplastic (MP) consumption and the elevated prevalence of CVD and obesity in Guam, where the Pacific Islanders' diet involves high seafood intake, a major source of MPs. Research indicates that MPs can lead to oxidative stress and inflammation, which contribute to endothelial dysfunction, atherosclerosis, and other CVD-related conditions. Animal model studies demonstrate that exposure to MPs accelerates oxidative damage, resulting in myocardial fibrosis and apoptosis, thereby linking MPs to cardiovascular complications. Additionally, the association between MP ingestion and increased adiposity implies that MPs may exacerbate obesity, a significant CVD risk factor. This review underscores the importance of further investigation into the impact of MPs on human health, especially in populations with high seafood consumption, and their potential role in cardiovascular risk elevation in regions like Guam.
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This review paper surveys evidence that microplastics accumulate in marine organisms that people eat and discusses the potential consequences for human health, while acknowledging that direct proof of harm from dietary microplastic exposure in humans is still lacking. The authors argue that precautionary regulation of plastic use and disposal is warranted given the scale of ocean contamination and the frequency with which seafood appears on people's plates.
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An ecological analysis found a significant positive association between marine microplastic concentrations within 200 nautical miles of US coastlines and the county-level prevalence of type 2 diabetes, coronary artery disease, and stroke, suggesting a population-level link between marine plastic pollution and cardiometabolic disease.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.