Research group of America found out how much reflected Smoking pregnant woman to her children and grandchildren.
As it turned out, Kurama woman does harm not only themselves and their children but also their grandchildren. In the second case, the risk of obesity among offspring is much higher. Grandchildren often born with low weight, than when their grandmother didn't smoke.
In some cases, smoked and mother and grandmother of the child. Then the risk of acute and chronic diseases have become critical. About height and weight can not speak. They too suffered.
Scientists have linked the phenomenon of genetic changes caused by nicotine and tar. Most likely, the mutation is transmitted and stored for several generations.