In one study, pregnant smokers who quit in the first trimester lowered their risk of delivering preterm and small-for-gestational-age babies to a level similar to that of pregnant nonsmokers
35 5.7.2 Smoking behaviour of siblings While research in this area can be difficult as it is challenging to successfully control for the range of shared characteristics affecting siblings, such as common family backgrounds, neighbourhoods, schools, and genes, which could potentially account for most of the observed correlations, 36 many studies have nonetheless found that living in a family with older brothers or sisters who smoke influences adolescent uptake of smoking, 1,24,25,37,38 with some research suggesting that it may be a more important predictor of uptake of smoking than parental smoking status
When the auto feature is engaged, it automatically detects the air-quality level and adjusts accordingly
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Archived from the original on July 6, 2018
Battery power decides the warmth of the vape