Claims that seven Chinese factory workers developed severe lung damage from inhaling nanoparticles are stoking the debate over the environmental-health effects of nanotechnology.rnA paper published in the European Respiratory Journal claims to be the first to document cases of ill health caused by nanoparticles in humans (Y. Song, X. Li and X. Du Eur. Respir. J. 34,559-567; 2009). Other experts are sceptical as to whether nanoparticles are actually to blame, but the paper has triggered lively discussions.
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