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(2) consistency across studies, investigators, individuals, research methods, and replications

A new report shows that fewer women are getting prenatal care

It naturally builds up indoors when ventilation is poor

Since e-cigarettes often contain the same chemicals as traditional cigarettes, smoke produced by vaping may be toxic to people nearby

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We have hundreds of cessation trials that have tested all our different treatments, and NRT products have the most evidence and science behind them because they've been around the longest