Food additive found in candy, gum could alter digestive cell structure and function
(PHYSorg.com Nanotechnology)

The ability of small intestine cells to absorb nutrients and act as a barrier to pathogens is `significantly decreased` after chronic exposure to nanoparticles of titanium dioxide, a common food additive found in everything from chewing gum to bread, according to research from Binghamton University, State University of New York.