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August 2, 2015

Homework Help: science

Posted by Cynthia on Sunday, November 11, 2007 at 3:04pm.

I've got two questions which I do not understand...
a)In the early 1920's, shortly after world war I, smoking became fashionable for men. Why did lung cancer rates not increase until the 1950's?
&...
b)Suggest a reason why no comparable increase in lung cancer in women occured during the same period.

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