New Study
Previous studies have <b>suggested associations of adult exposures</b> to secondhand smoke (SHS) with respiratory symptoms, but no study has focused on blue-collar industrial environments. We assessed the association between SHS and respiratory symptoms in 1,562 non-current smoking U.S.<br />
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Please note studies suggest, this is an important statement. Epidemiology studies on SHS do not prove causation. It is just a hypothesis. Results under 2.0 are statistically insignificant.<br />
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