Does second-hand smoke increase the risk of a low weight birth? A baby is “low birth weight” if it weighs less than 5.5 pounds at birth. According to the National Center of Health Statistics, about 7.8% of all babies born in the U.S. are categorized as low birth weight.
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Expert's answer
2018-06-17T08:13:08-0400
Second-hand smoke may increase the risk of a low weight birth, if there is a positive correlation between these two events. But we don't have enough information to prove that.
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