Titanium dioxide dust has been linked by the International Agency for Research on Cancer (IARC) as a possible carcinogen. Peer-reviewed research available on PubMed reveals that titanium dioxide has been linked to a number of conditions including DNA damage. Through sourcing GreenMedInfo on the subject, a database which indexes available research on toxic substances and beneficial ones alike, we find that 7 pieces of peer-reviewed research has linked titanium dioxide to DNA damaging effects.
Of course Dunkin’ Donuts is just the latest chain to phase out an ingredient following consumer pressure. Mega-food corporation Nestle has recently announced that it would phase out artificial flavors and colors from some of its candy bars by 2015, while Hershey also announced that it will soon remove genetically modified ingredients from its milk chocolate and Kisses by the end of 2015.