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Microplastics may disrupt gut health, linking to depression and cancer risks, a new study finds.
A new study presented at United European Gastroenterology Week 2025 finds that microplastics, commonly ingested through food and water, can alter the human gut microbiome in ways linked to depression and colorectal cancer.
Researchers exposed lab-grown gut cultures to five types of microplastics at levels matching human exposure, observing increased gut acidity, shifts in bacterial composition, and changes in microbial metabolism.
While the study does not prove causation, it suggests microplastics may disrupt gut health by binding nutrients or releasing toxins.
Experts warn of potential public health risks, noting people may consume the equivalent of a credit card’s worth of microplastics weekly.
Los microplásticos pueden alterar la salud intestinal, relacionándose con la depresión y los riesgos de cáncer, según un nuevo estudio.