The research team collected breath samples from 11 dolphins in Florida and Louisiana during health assessments, using a special collection surface over the dolphins’ breathing holes. The analysis showed that all dolphins had at least one “suspect microplastic particle” in their breath. The particles consisted of fibers and fragments of various plastic polymers, including PET, polyester, and PMMA.
Although ingestion of contaminated food has been identified as the primary route of exposure, this study suggests that inhalation may also play an important role. The authors emphasize that more research is needed to measure inhalation and evaluate potential health effects.
Source: Ferra
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