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Getting a grip on microplastics’ risks
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Researchers and policy experts assessed the current state of microplastic risk evaluation, examining how scientific uncertainty and regulatory gaps complicate efforts to establish safe exposure thresholds and meaningful environmental standards for these pervasive contaminants.
Chemical & Engineering News is a weekly news magazine published by the American Chemical Society, providing professional and technical news and analysis in the fields of chemistry and chemical engineering.
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Researchers reviewed the global dangers of microplastics to human health and ecosystems, characterizing these particles as a pervasive pollutant with the potential to cause widespread harm across multiple environmental compartments and biological systems.
Microplastics are everywhere — but are they harmful?
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Microplastics are now found in marine animals and the human body, prompting scientists to urgently investigate their potential health effects. While ubiquity is established, the extent of harm to human health remains an open and actively researched question with significant public health implications.
Understanding and addressing the environmental risk of microplastics
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Researchers reviewed the environmental risks of microplastics and nanoplastics, noting that lab exposure concentrations are often far higher than real-world levels and that detection limitations create significant uncertainty in current health risk assessments, calling for better monitoring standards and policy interventions.
Mind over microplastics — what we still don’t know
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Microplastics have been detected in human brain tissue for the first time, with higher concentrations found in individuals with dementia, though whether the particles cause neurological damage or simply accumulate more in affected brains remains unknown. The finding opens urgent questions about how microplastics cross the blood-brain barrier and what long-term exposure means for cognitive health.
Environmental Risks and Hazards of Microplastics
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Researchers reviewed how microplastics form from the breakdown of larger plastic products under sunlight and environmental exposure, and examined the environmental and health risks these particles pose as they accumulate across ecosystems and enter food and water supplies.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.