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Nanoparticles in the Brain

  • January 09, 2004

Nanoparticles--tiny lumps of matter that could one day be used to build faster computer circuits and improve drug delivery systems--can travel to the brain after being inhaled. The finding sounds a cautionary note for advocates of nanotechnology, but may also lead to a fuller understanding of the health effects of the nanosized particles produced by diesel engines. Nanoparticles produced by diesel exhausts may be damaging to some parts of our body. It's estimated that people in cities take...