Exposure to mixed microplastic particles altered the fecal microbiome and its associated predictive functional pathways in mice

Gut microbiome alterations associated with microplastics: Underestimated risk from tiny particle

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This review pulls together existing research showing that tiny plastic particles, found in our food, water, and even air, can disrupt the balance of bacteria living in our gut, and this disruption has been linked to problems ranging from digestive diseases to effects on the brain, liver, and reproductive system in animal studies. The catch: scientists still struggle to accurately detect and measure these particles in the body, meaning our real-world exposure and its health effects are likely underestimated. Bottom line, microplastics may be quietly messing with your gut health in ways we're only beginning to understand and measure.

Impact of Microplastics on the Severity of Intestinal Inflammation in Mice

Microplastics and Microbe Interaction on Human and Animal Health

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Researchers reviewing microplastic-microbe interactions found that microplastics alter microbial community composition in gut and environmental settings, potentially disrupting beneficial bacteria and facilitating pathogen spread, with implications for both human and animal health.

In vivo exposure of mixed microplastic particles in mice and its impacts on the murine gut microbiome and metabolome

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Researchers exposed mice to a mixture of common microplastic types to investigate effects on the gut microbiome and metabolome. The study found that ingested microplastic particles altered gut microbial composition and disrupted metabolic pathways, suggesting that realistic mixed-microplastic exposure may have broader biological effects than single-polymer studies indicate.

Impact of Micro-nanoplastics on Gut and Immune Function

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This review examined how micro- and nanoplastics disrupt gut microbiota and immune function across aquatic and terrestrial vertebrates, with implications for human health. Because the gut microbiome governs immune regulation and metabolic health, microplastic-induced dysbiosis represents a plausible mechanism by which plastic ingestion could drive systemic inflammation and disease beyond the GI tract.