Has big tobacco been holding out on its customers? New research suggests that tobacco companies have known for 40 years that cigarette smoke contains cancer-causing particles, but deliberately hid the information from the public. CBS News, 10/3/2011
Has big tobacco been holding out on its customers? New research suggests that tobacco companies have known for 40 years that cigarette smoke contains cancer-causing particles, but deliberately hid the information from the public.
CBS News, 10/3/2011
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