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"Our systematic review shows that there is no causal effect between maternal prenatal smoking and offspring ADHD diagnosis," said lead author Elis Haan, a former research associate at the University of Bristol in England.
A number of studies have suggested that smoking during pregnancy may contribute to ADHD, but it was unclear whether there was a direct link or whether other factors such as genetics, education, income and mother's age played a role.
Some of the studies researchers deemed more reliable suggest that shared genetics play a substantial role in the link between smoking during pregnancy and ADHD in children, according to findings recently published in the journal Addiction.
Even though the review found no causal effect between tobacco use in pregnancy and ADHD, there was a word of caution to expectant moms: "Pregnant women should still be advised not to smoke during pregnancy, as prenatal smoking has harmful effects on other child health outcomes," Haan warned in a journal news release.
SOURCE: Addiction, news release, April 6, 2022
By Robert Preidt HealthDay Reporter
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