Nanoparticles used in common household items caused genetic damage in mice
http://www.eurekalert.org/pub_releases/2009-11/uoc--nui111609.php
http://www.eurekalert.org/pub_releases/2009-11/uoc--nui111609.php
"Titanium dioxide (TiO2) nanoparticles, found in everything from cosmetics to sunscreen to paint to vitamins, caused systemic genetic damage in mice, according to a comprehensive study conducted by researchers at UCLA's Jonsson Comprehensive Cancer Center."
