Common sense: a parent’s smoking habit predisposes their children to asthma and pulmonary conditions. But what about parents that smoke during pregnancy and then kick the habit?

Turns out parents still may be putting their unborn child at greater risk. A large European study has just hit the presses and, while results from the longitudinal study can not prove a link, the correlations are still sobering. Researchers tracked ~21,600 children from a prenatal period all the way up to age 6. Children with parents that smoked during the pregnancy – but quit before birth – were 2/3 more likely to have asthma than those children with parents who did not smoke at all. Full report in the American Journal of Respiratory and Critical Care Medicine, online August 17, 2012:

Here are several more broad resources on the links between smoking & asthma: