Scientists Find Biological Link Between Smoking Mothers, Attention Disorders

Need a good reason to quit smoking during pregnancy, aside from the prospect of cancer, lung and heart disease, stillbirth, infertility, and low birth weight? In what could have far-reaching implications for treatment, scientists at Yale University have found that nicotine exposure during pregnancy can trigger long-term genetic changes in unborn babies. These newfound genetic changes help explain why maternal smoking has been linked to a host of behavioral issues, such as...

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