Smoking in Pregnancy Increases Asthma Risk in Preschool

http://www.sciencedaily.com/releases/2012/08/120817083911.htm

ScienceDaily (Aug. 17, 2012) — Maternal smoking during pregnancy is associated with wheeze and asthma in preschool children, even among children who were not exposed to maternal smoking late in pregnancy or after birth, according to a new study.

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"These children were at increased risk for wheeze and asthma at preschool age. Furthermore, the likelihood of developing wheeze and asthma increased in a significant dose-response pattern in relation to maternal cigarette consumption during the first trimester."