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	- perhaps because (en)
 
	- [I]n 2006, more than 42,000 Americans died of secondhand smoke-attributable diseases, including more than 41,000 adults and nearly 900 infants. Fully 36% of the infants who died of low birth weight caused by exposure to maternal smoking in utero were black, as were 28% of those dying of respiratory distress syndrome, 25% dying of other respiratory conditions, and 24% dying of sudden infant death syndrome. (en)
 
	- Compared with nonsmoking women having their first birth, women who smoked less than one pack of cigarettes per day had a 25% greater risk of mortality, and those who smoked one or more packs per day had a 56% greater risk. Among women having their second or higher birth, smokers experienced 30% greater mortality than nonsmokers. (en)
 
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