Smoking Affects the DNA of Unborn Babies

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By Molly Grady

Mothers who smoke not only increase their child's chance of getting asthma but also their grandchildren.

UCLA researchers studied rats and found nicotine affected the lungs and DNA of their unborn babies.

Many later developed asthma.

They were also more likely to have babies with asthma even though there was no exposure to nicotine during pregnancy.



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