But he also blames targeted promotions by tobacco companies (like Virginia Slims targeting women in the 1970s and other brands targeting inner-city minority groups today) and the movies.
The two foundations have also worked together to reduce tobacco use, and to offer family planning services and modern birth control to women around the world.
Women who had a minor variant of this gene were only half as likely to quit smoking and stay off tobacco, in an experiment that involved nicotine patches.