Parents who smoke often open a window or
turn on a fan to clear the air for their children, but experts now have
identified a related threat to children’s health that isn’t as easy to get rid
of: third-hand smoke.
That’s the term being used to describe the
invisible yet toxic brew of gases and particles clinging to smokers’ hair and
clothing, not to mention cushions and carpeting, that lingers long after
second-hand smoke has cleared from a room. The residue includes heavy metals,
carcinogens and even radioactive materials that young children can get on their
hands and ingest, especially if they’re crawling or playing on the floor.
http://www.nytimes.com/2009/01/03/health/research/03smoke.html?_r=1&ref=science
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