(FILES) A mother gives the bottle to her baby in Paris on October 8, 2012. Particles of titanium dioxide, a potential carcinogen in humans, which is banned in food, have been found in breast milk, formula milk, and commercially sold milk, reveals research by scientists from INRAE, AP-HP, and CNRS published on July 23, 2025, as their work, published in the journal Science of the Total Environment, shows that this compound has been detected "in human, animal, and infant milks, particularly in the form of nanoparticles.". (Photo by Fred DUFOUR / AFP) (Photo by FRED DUFOUR/AFP via Getty Images)