A new US study has established a link between microplastic exposure and the development of non-alcoholic fatty liver disease. Researchers found that exposure to polyethylene, a common type of plastic, induces stress responses in liver cells. This stress ultimately contributes to the progression of fatty liver disease. The study highlights the potential for environmental pollutants to directly impact human organ health. This is among the first research to demonstrate a biological mechanism connecting microplastic ingestion to liver conditions. Further research is needed to determine the extent of the risk and potential long-term effects, but the findings raise concerns about the increasing presence of microplastics in the food chain and the environment. The study emphasizes the need for mitigation strategies to reduce plastic pollution and its impact on public health.