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In the lead-up to the expected finalization of a United Nations global plastics treaty, an international panel of experts is drawing urgent attention to the substantial health risks posed by plastic pollution, calling for a stronger health focus in policy discussions.
A new Health Policy, published in The Lancet, highlights emerging evidence that plastics—including microplastics and chemical additives—pose dangers throughout their lifecycle, impacting human health during production, use, and disposal. The experts have announced the launch of the Lancet Countdown on Health and Plastics, a landmark initiative set to track and report on the health impacts of plastics globally.
Plastic production is projected to nearly triple between 2019 and 2060, escalating both the volume of plastic waste and associated health risks. According to the Lancet Policy:
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Airborne emissions from plastic production include hazardous pollutants such as particulate matter (PM2.5), sulfur dioxide, nitrogen oxides, and volatile chemicals that jeopardize the health of workers and nearby communities.
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The composition of plastics remains opaque, with a lack of transparency regarding the chemicals used, their quantities, purposes, and potential toxicity. Many of these chemicals are linked to a spectrum of adverse health effects throughout the human lifespan.
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Microplastics have been detected in human tissues and body fluids. Although the specific health outcomes are not yet fully understood, researchers advocate for a precautionary approach while further studies are conducted.
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Approximately 57% of unmanaged plastic waste is burned in the open, especially in low- and middle-income countries, contributing to significant air pollution and associated respiratory hazards.
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Discarded plastic waste provides breeding grounds for disease-carrying mosquitoes and the proliferation of microorganisms, potentially exacerbating the spread of vector-borne diseases and antimicrobial resistance.
The newly initiated Lancet Countdown on Health and Plastics will utilize a series of indicators to systematically monitor the burden and effects of plastics on human health. The first comprehensive indicator report is anticipated in mid-2026.
As global policymakers prepare to finalize a landmark plastics treaty, experts are urging that health considerations take center stage, stressing that effective solutions require a comprehensive understanding of plastics’ health impacts from manufacture to disposal.
Disclaimer: This article is based on a news release and scientific commentary published in The Lancet and further summarized from Medical Xpress. While the article reflects current expert consensus, ongoing research is critical for clarifying the precise health impacts of plastics and plastic waste. Readers should consult original research and policy documents for comprehensive information.
