Nanoparticles – to handle with care

"Inhaled or in touch with the skin, nanoparticles may pose a health hazard to workers. Although research on the topic is still in development, it seems that nanoparticles can enter the respiratory tract or penetrate through the skin and make their way to the bloodstream that may carry the nanoparticles to various organs..."

Resource:

http://www.irsst.qc.ca/en/headlines/id/430/nanoparticles-to-handle-with-care