About one third of women who smoked before pregnancy continued to smoke during pregnancy. Naturally conceiving, multiparous and immigrant women are less likely to quit smoking when pregnant. Tailored smoking cessation interventions should target women early in their pregnancy.

Our findings address the relationship between WM and inflexible behavior exhibited by PD without dementia, argue for the importance of lower age, higher education, and level of intelligence for the successful performance on WCST; yet, the differences in cognitive performance regardless of the duration of illness within our patients with PD provide support to cognitive reserve concept.

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INTRODUCTION Studies on smoking prevalence of Greek adolescents are sparse and ambiguous. We aimed to investigate prevalence and predictors of cigarette smoking among Greek adolescents. METHODS We conducted a cross-sectional study of 1.802 randomly selected students in the cities of Athens and Thessaloniki in Greece in 2013-2014. Multistage sampling with quotas was used with regard to the geographical distribution of the target population gender and grade. Data were collected by a self-completed questionnaire. Multiple logistic regression analysis was applied to evaluate the association between selected variables and the likelihood of being a current smoker. RESULTS Cigarette smoking was reported by 18.2% (95% CI=16.4-20.0); 8.1% (95% CI=6.2-10.0) of Gymnasium and 26.1% (95% CI=23.4-28.8) of Lyceum students reported being smokers. An estimated 38.0% (95% CI=35.8-40.2) had ever tried cigarette, 27.1% (95% CI=25.1-29.2) hookah and 17.7% (95% CI=15.9-19.5) an electronic cigarette. Older age (OR= 11.59; 95% CI [6.25, 21.50], parental tobacco use (OR=1.71; 95% CI [1.19, 2.46]), sibling tobacco use (OR=2.07; 95% CI [1.43, 2.99], teachers' tobacco use (OR=1.97; 95%CI [1.23, 3.17]), exposure to smoking through the media (OR= 1.48; 95% CI[1.03,2.14] and tobacco promotion activities (OR=3.73;95% CI[2.88,4.83] were associated with current smoking. CONCLUSIONS Greek adolescents report lower smoking rates than previously reported, yet it is a population experimenting with tobacco products. Electronic cigarette emerged as the third most likely product of experimentation. The social origin of smoking behavior is confirmed, as well as the imperative need to encourage tobacco-free school policies and bans on tobacco advertising, promotion and sponsorship.

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