Credit: Environmental Pollution (2026). DOI: 10.1016/j.envpol.2026.127779 Ehime University investigators measured 34 per- and polyfluoroalkyl substances in 100 commercial dog and cat foods sold in Japan and detected PFAS across many products, with higher concentrations in fish-based foods and dry products, and higher estimated intake from wet products. PFAS persists in the environment and appears in water, soil, wildlife, and humans worldwide.