RE: Po-210 in tobacco

["Jim Nelson" <nelsonjima@HOTMAIL.COM>]

Bernie,



I think it is because no one really knows the relative attributable risk for 

the various compounds in tobacco let alone the synergism between them.



Jim Nelson





>

>

>	About 25 years ago, Ed Martell at National Bureau of Standards in

>Boulder, CO published a series of papers purporting to show that the lung

>cancer from smoking was due to the Po-210 in the tobacco. This theory was

>debated fairly extensively, and I thought the final conclusion was that

>Martell was wrong - it was chemical effects rather than radiation that was

>causing the lung cancer. What is causing this new flurry of interest?

>

>Bernard L. Cohen

>Physics Dept.

>University of Pittsburgh

>Pittsburgh, PA 15260

>Tel: (412)624-9245

>Fax: (412)624-9163

>e-mail: blc+@pitt.edu

>

>

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