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With Prevalence of Nanomaterials Rising, Panel Urges Review of Risks http://apocadocs.com/s.pl?1327619383
Tiny substances called nanomaterials have moved into the marketplace over the last decade, in products as varied as cosmetics, clothing and paint. But not enough is known about their potential health and environmental risks, which should be studied further, an expert panel of the National Academy of Sciences said on Wednesday. Nanoscale forms of substances like silver, carbon, zinc and aluminum have many useful properties. Nano zinc oxide sunscreen goes on smoothly, for example, and nano carbon is lighter and stronger than its everyday or "bulk" form. But researchers say these products and others can also be ingested, inhaled or possibly absorbed through the skin. And they can seep into the environment during manufacturing or disposal.
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[Read more stories about:
nanotechnology, health impacts]
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