Articles with the keyword: 


Passive smokers face greater risk
annatto submitted, created time 1 year 6 months (www.hindu.com)
In a study to be published in August 2007 edition of the American Journal of Public Heath, researchers say they have found that the carcinogen, NNK, is found in the body only as a result of using tobacco or breathing second-hand smoke. 
\ 1
\