Carbon Nanotubes Could Pose Health Risks Akin to Asbestos

Some carbon nanotubes (CNT), tiny cylinders of graphite that exhibit extraordinary properties, could be as harmful to human health as asbestos, says a study published in the May 20 issue of Nature Nanotechnology. By exposing mice to CNTs, the researchers found that long, multi-walled CNTs behave like asbestos—causing inflammation and lesions associated with mesotheloima, cancer of the lining of the lungs. "Our results suggest the need for further research and great caution before introducing such products into the market if long-term harm is to be...

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