Parents trying to give up smoking now have another reason to stop ‘their children. Recent research shows parents who quit smoking while their children are young reduce the chances their children will become smokers. Children of parents who both smoke were most likely to take up smoking themselves, but only 14 percent of high school seniors whose parents had never smoked became smokers. ‘Tobacco companies target children and adolescents because many are likely to become lifetime smokers,’ said Dr. Adi Gazdar, professor and lung cancer specialist at UT Southwestern Medical Center at Dallas. ‘Unfortunately, kicking the smoking habit is much harder than most of them realize. Nicotine is one of the most addictive substances known’perhaps more addictive than cocaine.’ The best intervention is never to start, said Dr. Gazdar. The next best is to quit permanently, and the sooner the better.