Nano Hazards: Exposure to minute particles harms lungs, circulatory system

By Janet Raloff, 15:52 PM April 15, 2008

Nanomaterials, the current darlings of industry, are showing up in products ranging from cosmetics to electronics. However, new animal studies indicate that inhaling these microscopic spheres and tubes could cause big trouble, especially for workers who manufacture and handle them.

That message came through loudly in New Orleans last week at the Society of Toxicology meeting, where several dozen reports unveiled details about how nanopollutants interact with the body. Most of the studies focu...

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