Nanotechnology and Food: Healthier and Tastier Food or a Health Risk? [1] - Tech Talk, USA
It is not known how nanocapsules will act in the human digestive system if ingested with food. In addition, ultrafine particles, let alone nanoparticles, have shown the ability to penetrate through the skin, or translocate from the respiratory system to other organs.
The toxicological issues of nanoparticles and nanostructures is a critical area of research, and every reasonable effort should be made to determine whether their use in food products presents any health risks.

Talking to the Public About the Possible Risks and Benefits Of Nanotechnology in Consumer Products [2] - AzoNano, Australia
The Wilson Center’s Project on Emerging Nanotechnologies, in collaboration with Consumers Union - publishers of Consumer Reports magazine and Consumer Reports Online - announces a major effort to reach out to the American public and engage them in an important online conversation about the possible risks and benefits of nanotechnology and consumer products.To register and participate go to: www.webdialogues.net/pen/consumer [2]