COVID-19 is a coronavirus outbreak that initially appeared in Wuhan, Hubei Province, China,
in December 2019, but it has already evolved into a pandemic spreading rapidly …

… Georgiopoulos participated in data evaluation and interpretation along with: CI Vardavas, J.
… CI Vardavas wrote the first draft of the manuscript with input from all authors. JC Semenza, C…

A vast number of studies on the unfavorable effects of secondhand smoke (SHS) exist within
the international literature, the majority of which evaluate longitudinal epidemiological data. …

… ; R 2 values, β coefficients, and 95% CI of the β are provided. The statistical analysis was …
Author contributions: Drs Vardavas and Behrakis take responsibility for the integrity of the …

… (aOR 3.13, 95% CI 2.22 to 4.54) and 25–39-year-olds (aOR 2.00, 95% CI 1.47 to 2.78) in …
(aOR 1.53, 95% CI 1.10 to 2.13) or 11–20 cigarettes/day (aOR 2.07, 95% CI 1.52 to 2.81) in …

Objective This study assessed changes in levels of ever use, perceptions of harm from e-cigarettes
and sociodemographic correlates of use among European Union (EU) adults during …

Maternal smoking during pregnancy is a significant threat to the fetus. We examined the
association between active maternal smoking and smoking cessation during early pregnancy …

… Results are presented as adjusted odds ratios (aOR) with 95% confidence interval (95%
CI). Total MET-minutes are presented as mean value with 95% CI. A linear regression model, …

Maternal smoking during pregnancy increases childhood asthma risk, but health effects in
children of nonsmoking mothers passively exposed to tobacco smoke during pregnancy are …

Background Tobacco use is still highly prevalent in Europe, despite the tobacco control
efforts made by the governments. The development of tobacco control policies varies …