background: passive cigarette smoking is a known cause of a variety of diseases.  however, most of the studies done in this field have focused on its chronic effects on human health.  studies considering the acute effect of smoking on qt dispersion, on the other hand, with its known predictive role in the occurrence ventricular arrhythmia and sudden cardiac death are sparse. objectives: this st...

BACKGROUND Not much is currently understood regarding the contexts of cigarette and e-cigarette use among dual users. Proper application of e-cigarettes to smoking cessation or tobacco harm reduction would require an understanding of when and why dual users use cigarettes versus e-cigarettes. This study sought to elucidate the contexts of cigarette versus e-cigarette use among dual users. MET...

Background: Approximately, one third of world's population older than 15 years of age smokes. Cigarette smoke contains toxic chemical, mutagenic and carcinogenic compounds. Some of these substances were found in seminal plasma.Over the past two decades, there has been an increasing body of evidence that cigarette smoking may impair human semen quality.The results of these studies are confl...

OBJECTIVES To compare prevalence estimates and assess issues related to the measurement of adult cigarette smoking in the National Health Interview Survey (NHIS) and the National Survey on Drug Use and Health (NSDUH). METHODS 2008 data on current cigarette smoking and current daily cigarette smoking among adults ≥18 years were compared. The standard NHIS current smoking definition, which scre...

[Purpose] Smoking has a direct effect on the respiratory system. The rate of cigarette smoking among young people has continued to increase steadily. The present study quantified and compared the respiratory function of smoking and non-smoking youths. [Subjects] Smoking and non-smoking male participants aged between 15 to 18 years were recruited (n=34 per group). [Methods] Participants were ask...

Objective: This study was done to explore the relationship between components of metabolic syndrome and smoking. Materials and Methods: In this analytical cross-sectional study in Ahvaz, south west of Iran, the gathering data sheet was completed. Body mass index, abdominal and waist circumference, Fasting Blood sugar, Triglyceride, total cholesterol, LDL and HDL levels, systolic and diastolic ...

The association between cervix cancer and cigarette smoking was examined among 332 white cases and 1725 white controls. Cases were of lower socioeconomic status (SES) and smoked more than controls. After adjustment for both age and SES, no significant association was observed between cervix cancer and cigarette smoking. Many variables related both to cigarette smoking and to known risk factors ...

We carried out a comparative study to assess the demographic and social characteristics of water pipe (WP) smokers, the association with cigarette smoking and chronic respiratory diseases and the dependence profile on 4 groups: exclusive WP smokers, exclusive cigarette smokers, mixed smokers and absolute non-smokers. Cigarette smoking was statistically significantly higher in WP smokers than no...

INTRODUCTION China is the biggest tobacco producer and consumer in the world. Raising cigarette taxes and increasing tobacco retail prices have been prove as effective strategies to reduce tobacco consumption and the prevalence of smoking in western countries. But in China, it is uncertain how an increase of cigarette retail price will influence the tobacco consumption. METHODS From April to ...