First, because PRAMS is an observational, cross-sectional study, we cannot exclude the possibility that our findings may be influenced by residual confounding and other biases, including recall bias, reporting errors, and nondisclosure of substance use during pregnancy
It was bad but not nearly as bad as the guy had said"
BOA, TFR.I.SL 67/6659, doc
Hookah regulations and policies Based on the scientific evidence of the toxicity associated with tobacco use (passive/active), an increasing number of states has instituted/is instituting regulations to support/expand legislation of clear indoor air quality to include hookah [204, 205]
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