Khat (Catha Edulis Forskal) is widely cultivated in Yemen and East of Africa. The habit of chewing tender leaves and twigs of khat is deep-rooted in Yemen. Our study investigates the chronic khat chewing and smoking effect on oral mucosa. The sample (n=79) consists of two main groups, khat chewers (n=54) and control groups (n=25). Khat chewers group is divided into 4 subgroups according to dura...

background the association between smoking and tuberculosis (tb), which has been proven in multiple studies with different study population ethnicity, has not yet received sufficient attention in terms of tb control. objectives the aim of the present study was to determine the association between tb and cigarette smoking in southeastern iran, an endemic area for tuberculosis. patients and metho...

OBJECTIVE To determine whether perceived poor physical health, duration of diabetes, and smoking are associated with major depressive disorder in a national sample of individuals with diabetes. RESEARCH DESIGN AND METHODS Data on 1,810 individuals with diabetes from the 1999 National Health Interview Survey (NHIS) were analyzed. The Composite International Diagnostic Interview (CIDI) Short-Fo...

Smoking is a well-known risk factor of reproductive health. However, the effect of paternal smoking on fertility has been less extensively examined. We conducted a cross-sectional study in a mountainous area of South-West China to assess the effect of male smoking on couples' fertility. A total of 8200 couples aged 18-49 years in the study area were invited to participate in the study. An in-pe...

BACKGROUND Lack of awareness among ex-smokers on the benefits of sustaining smoking cessation may be the main cause of their smoking relapse. This study explored health-related quality of life (HRQoL) and hospital admission amongst chronic obstructive pulmonary disease (COPD) patients according to the duration of smoking cessation. MATERIALS AND METHODS This study recruited COPD patients from...

Amaç: Bu çalışmada amaç, 2012 ve 2019 yılları Türkiye Sağlık Araştırması Anketi verileri kullanılarak Türkiye’de bireylerin sigara içme süresi üzerinde etkili olan faktörlerin karşılaştırmalı bir şekilde analiz edilmesidir.
 Yöntem: verilerinden faydalanılmış analizlerde yılında 5932 6833 birey ile çalışılmıştır. Kişilerin süresini etkileyen faktörler; demografik, sosyo-ekonomik, kronik ha...

AIM: The objective of the study was to assess influence exposure duration and smoking on ventilatory impairment among construction workers. METHODS: A cross-sectional performed, including 83 workers aged 18–64 years, compared equivalent number office controls matched by age, workplace duration, status. Data chronic respiratory symptoms, work history, status were collected standardized questionn...

Maternal smoking during pregnancy has been found to influence newborn DNA methylation in genes involved in fundamental developmental processes. It is pertinent to understand the degree to which the offspring methylome is sensitive to the intensity and duration of prenatal smoking. An investigation of the persistence of offspring methylation associated with maternal smoking and the relative role...

The possibility of a link between active smoking and incident multiple sclerosis (MS) has been raised. However, possible links between incidence of MS and passive smoking, particularly in children, have not been analysed. We conducted a population-based, case-control study. The cases were patients with incident MS occurring between 1994 and 2003, before the age of 16 years, in France. Each case...