Microplastics Identified in Human Lung Tissue
Researchers found plastic particles in the airways of both cancer and non-cancer patients during a recent study.
Updated on Sept. 22, 2026 in Asthma
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In a study of 100 people undergoing bronchoscopy, researchers detected microplastic particles in the lungs of 70% of participants. The presence of these materials was observed in both individuals with and without lung cancer.
Why it matters
These findings raise questions about the long-term impact of inhaling environmental plastic particles on respiratory health. Understanding the extent of microplastic exposure in the human body is a emerging priority for researchers studying chronic lung conditions.
A study of 100 patients undergoing bronchoscopy at the University Hospital of Larissa identified 232 microplastic particles. While 70% of all participants had detectable microplastics, the long-term health significance remains preliminary and under investigation.
The players
University Hospital of Larissa
A medical facility in Greece that served as the primary site for this clinical research study.
European Respiratory Society
A global organization dedicated to lung health that hosts annual scientific congresses for respiratory research.
The details
Researchers utilized bronchoalveolar lavage, a process involving saline solution, to collect airway materials from all 100 participants. Lung tissue samples were also collected from half of the group to aid analysis. The study focused on identifying specific types of plastic, with polypropylene and polyethylene emerging as the most frequently detected substances.
Timeline
September 2026: The research team will present these findings at the European Respiratory Society Congress in Barcelona.
Health Landscape
The findings sit within a broader effort to track the accumulation of environmental microplastics in human organs. This research follows a growing pattern of investigating how inhaled pollutants contribute to respiratory disease trends globally.
These findings are currently focused on scientific discovery rather than changes to clinical care, so no specific action is required from the public. If you have concerns about chronic respiratory symptoms or environmental exposures, discuss them with your doctor.
The takeaway
While microplastics were found in a majority of study participants, it is not yet clear how these particles affect lung function or disease progression. Tracking future research on the interactions between plastic and respiratory tissue is a helpful way to stay informed on this topic.
What happens next
The research team is currently conducting laboratory experiments to observe how these plastic particles physically interact with lung cells, with results expected to be shared in Barcelona in September 2026.
Further reading
Learn more about the latest research on lung health in the Asthma section.
Source note: This article includes information reported by PlusNews.
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