background: several epidemiological studies suggest that tobacco smoking increases the risk of oral cancer. no systematic review, however, has been reported to examine how consistent the evidence is across the studies. we undertook a meta-analysis of epidemiological studies investigating the magnitude relationship between tobacco smoking and oral cancer. methods: primary studies were identified...

conclusions the present study reports the characteristics of iranian hookah smokers. most hookah smokers were educated young adults, who often smoked at home or in teahouses and in the company of friends. the majority of the participants smoked fruit-flavored tobacco and had no desire or intention to quit smoking. further studies in this field are required and hookah smoking should also be inco...

objective: micronuclei are induced in cells by a variety of substances, like uv radiation, infrared rays, x-radiations, and chemicals. among them tobacco- specific nitrosamines have been reported to be potent mutagenic agents which are thought to be responsible for the induction of chromosomal aberrations resulting in production of micronuclei. the main aim of our study is to compare mn frequen...

abstract background: smoking cigarettes is a risk factor for many physical and mental diseases. about five million people die of smoking every year. understanding the concept of cigarette smoking can help people develop their knowledge with regard to smoking. a qualitative research seems essential to detect these concepts. therefore, the present study aims to take into account the experience of...

background: with regard to the willing and starting tobacco smoking among young people in iran. the aim of the study was to model the underlying factors in predicting the behavior of tobacco smoking among employed youth and students in iran. methods: in this analytical cross-sectional study, based on a random cluster sampling were recruited 850 high school students, employed and unemployed yout...

this study was initiated to assess the effectiveness of designating smoking rooms to control environmental tobacco smoke in nursing homes. of the 39 nursing homes located in toledo (a city in ohio, usa) included in the preliminary survey, 33 facilities (85%) allowed smoking, 14 facilities (36%) allowed indoor smoking, and 13 facilities (33%) provided a designated smoking area. three of these 13...

Objective: Micronuclei are induced in cells by a variety of substances, like UV radiation, infrared rays, X-radiations, and chemicals. Among them tobacco- specific nitrosamines have been reported to be potent mutagenic agents which are thought to be responsible for the induction of chromosomal aberrations resulting in production of micronuclei. The main aim of our study is to compare MN frequen...

INTRODUCTION: We aimed to investigate the relationship between smoking and general characteristics, symptoms clinical course of patients diagnosed with COVID-19 who were followed-up in COVID ward first 2 months pandemic. METHODS: Patients over age 18 included retrospectively. The demographic data, symptoms, comorbidities patients, tobacco tobacco-product use, disease severity, patient's follow-...