Amid Nanotech's Dazzling Promise, Health Risks Grow
 
"The degrees of DNA damage and genetic instability that the 32-year-old investigator documented can be "linked to all the big killers of man, namely cancer, heart disease, neurological disease and aging," says Professor Robert Schiestl,..."
 
http://www.aolnews.com/nanotech/article/amid-nanotechs-dazzling-promise-health-r isks-grow/19401235
 
 
The use of nanoparticles is so pervasive, they're even in food.  The above article is very informative (and frightening).  Below is a link to the series of articles:
 
http://www.aolnews.com/category/nanotech/
 
"About this Series:  Nanotechnology has long been hyped for its potential to cure diseases, ease energy problems, supercharge our computers and more. But increasing evidence shows that the engineered particles could pose a giant risk to the environment and human life. Learn how AOL News correspondent Andrew Schneider got the story and see his most surprising findings."  
 
 
This link is to "The Project on Emerging Nanotechnologies" and does list some of the products and foods containing nanoparticles:
 
http://www.nanotechproject.org/

Exposed to Nano? Exhale
http://newhavenindependent.org/index.php/archives/entry/exposed_to_nano_exhale/i d_27938
 
"Emerging technology, still under development, examines exhaled breath to look for indicators of early stage lung problems – problems that scientists think could be caused by exposure to nanomaterials."