Microplastics Found in Prostate Cancer Tumors

Study Reveals Potential Link Between Plastic Exposure and Cancer

Published on Feb. 25, 2026

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A recent study has found the presence of microplastics in prostate cancer tumors, raising questions about a potential connection between plastic exposure and cancer development. Researchers detected significantly higher concentrations of plastic particles within the tumor tissue compared to surrounding healthy tissue.

Why it matters

This discovery adds to the growing body of research investigating the potential health impacts of widespread microplastic pollution. While a direct causal link has not been established, the findings suggest microplastics may play a role in cancer development and progression, warranting further investigation.

The details

The study, which will be presented at the upcoming American Society of Clinical Oncology Genitourinary Cancers Symposium, quantified the presence of approximately 40 micrograms of plastic per gram of tumor tissue, compared to 16 micrograms per gram in healthy prostate tissue - a 2.5-fold increase. Researchers are now focused on identifying the specific types of plastics found, investigating the biological effects on prostate cells, and determining whether microplastic exposure increases the risk of developing prostate cancer.

  • The study data will be presented at the upcoming American Society of Clinical Oncology Genitourinary Cancers Symposium.

The players

Dr. Stacy Loeb

From NYU Grossman School of Medicine, who led the study.

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What they’re saying

“While the study doesn't establish a direct causal link, it highlights a concerning trend.”

— Dr. Stacy Loeb, Researcher

What’s next

Future research will focus on identifying the specific types of plastics found in prostate tissue, investigating the potential biological effects of microplastics on prostate cells, and determining whether microplastic exposure increases the risk of developing prostate cancer.

The takeaway

This study serves as a crucial starting point for further investigation into the potential link between microplastic exposure and cancer development. As microplastics are found in various human tissues, this discovery raises wider health concerns that warrant continued research and action to address plastic pollution.