A team of US and French researchers find that cigarettes may directly transmit contamination of hundreds of bacterial species, ranging from soil microorganismsto human pathogens.
http://www.sciencedaily.com/releases/2009/11/091119121300.htm?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+sciencedaily+(ScienceDaily%3A+Latest+Science+News) 
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