In a pilot study by a team of researchers at The University of Texas at Austin, crystalline particles of titanium dioxide — the most common white pigment in everyday products ranging from paint to candies — were found in pancreas specimens with Type 2 diabetes, suggesting that exposure to the white pigment is associated with the disease.
Link is to a news release. Here is a link to the full paper: https://pubs.acs.org/doi/full/10.1021/acs.chemrestox.8b00047