Whether smoked or chewed, tobacco contains the addictive drug nicotine. You get the same feelings from using chewing tobacco as you do cigarettes. Chewing tobacco increases your likelihood of getting cancer in your cheeks, gums, and throat, and damaging your gums and the roots of your teeth. There are lots of reasons to quit smoking, and lots of benefits. For pregnant women, quitting makes them more likely to deliver babies with normal weights and less respiratory problems in early childhood.
Children observe their parents' behavior.
The behavior of adults and older siblings as well as advertising influence whether or not a child begins to smoke and continues this habit.