Quitting smoking is never easy. However, when you're poor and uneducated, kicking the habit for good is doubly hard, according to a new study by a tobacco dependence researcher at The City College of New York (CCNY). Christine Sheffer, associate medical professor at CCNY's Sophie Davis School of Biomedical Education, tracked smokers from different socioeconomic backgrounds after they had completed a statewide smoking cessation program in Arkansas.