Smoke It is one of the prohibited behaviors during pregnancy, due to the multiple negative consequences it can have on the developing fetus. Now, a new study finds that mother's smoking during pregnancy is also a prenatal risk factor associated with psychological and behavioral problems in children, including attention deficit hyperactivity disorder (ADHD).

A group of researchers, from the United Kingdom, the United States and New Zealand, analyzed the relationship between the smoking of the pregnant woman - measured as the average number of cigarettes she smokes every day during pregnancy - and the future behavior problems presented by the children of these smoking mothers.

"The results of the study showed that there was a significant association between the mother's smoking during pregnancy and the behavioral disorders suffered by her children"

The results of the study showed that there was a significant association between the mother's smoking during pregnancy and the behavioral disorders suffered by her children, both children who were raised by genetically related mothers, and those who lived with non-genetically related mothers.

The authors of the study confirmed these data through study samples grouped in a meta-analysis, and explained that it is unlikely that behavior disorders in children can be explained only by postnatal environmental factors, such as how to raise children, and that although the causal mechanism of the relationship between smoking during pregnancy and this type of problems in offspring is unknown, could include genetic and other factors prenatal environmental risks, as is the case of smoking.

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