نتایج جستجو برای: smoker
تعداد نتایج: 5209 فیلتر نتایج به سال:
BACKGROUND Oxidative stress is known to be involved in the pathogenesis of chronic obstructive pulmonary disease (COPD). Evidence suggests that leukocytes mitochondria DNA (mtDNA) is susceptible to undergo mutations, insertions, or depletion in response to reactive oxidative stress (ROS). We hypothesize that mtDNA copy number is associated with the development of COPD. METHODOLOGY/PRINCIPAL F...
Background and Objective: Smoking can be associated with the decreasing gingival blood flow and epithelial changes. The aim of this study was to evaluate the histopathological changes of gingival epithelium and connective tissue in smokers. Methods: The study was case-control. Sixty male patients (28 smokers and 32 nonsmokers) suffering chronic periodontitis were participated...
spring summer 2010, vol.4, no.1 /74 medical laboratory journal severity of oxidative dna damage in gastric tissue of smoker and non-smoker patients with dyspepsia abstract background and objectives: cigarette smoking is associated with an increase in risk of peptic ulcer and gastro-intestinal cancer. toxic materials in smoke and tar have a significant role in production of carcinogenic complexe...
OBJECTIVES This study provides secondhand smoke (SHS) exposure data in utero and after birth when children were at 18 months, 36 months and 66 months old, and it identifies risk factors for the early childhood SHS among 18-month-old infants living in smoker and non-smoker households. STUDY DESIGN The data come from the Taiwan Birth Cohort Study, a longitudinal survey of a birth cohort born in...
OBJECTIVE Identity is an important influence on behavior. To identify potential targets for smoking cessation interventions in young adults, we synthesized findings from qualitative studies on smoker identity and potential influences on smoking and smoking cessation. METHODS A systematic search of 4 electronic databases up to September 19, 2013, was conducted to identify qualitative studies o...
THE OBJECTIVE OF THIS PAPER IS TO PERFORM PARAMETRIC AND NONPARAMETRIC ANALYSIS TO ADDRESS SOME VERY IMPORTANT QUESTIONS CONCERNING LUNG CANCER UTILIZING REAL LUNG CANCER DATA: What is the probabilistic nature of mortality time in ex-smoker lung cancer patients and non-smoker lung cancer patients, for female, male, and the totality of female and male patients? Is there significant difference of...
The aim of this study was to evaluate whether traffic police officers exposed to chemical, physical and psycho-social stressors, are at risk for alterations in plasma levels of prolactin (PRL) compared to a control group. Plasma PRL levels were evaluated in 92 male and 51 female, non-smoker, traffic police officers exposed to urban stressors and in 92 male and 51 female controls, matched by sex...
Aim The purpose of this study was to compare IL-1β and IL-12 gene expression in the gingival tissue of smokers and non-smokers either with healthy periodontium or with chronic periodontitis. Materials and Methods 41 individuals consisting of 21 healthy controls (11 non-smokers and 10 smokers) and 20 chronic periodontitis patients (10 non-smokers and 10 smokers) participated in this study. Sam...
INTRODUCTION The present study intends to describe the characteristics of patients diagnosed with severe alpha-1 antitrypsin deficiency (AATD) in Spain, to observe the rate of decline in forced expiratory volume in 1 second (FEV1) with and without substitutive therapy, and to identify factors associated with a rapid rate of decline in FEV1. METHOD A retrospective study of the evolution of ind...
INTRODUCTION The aim of this study was to investigate the relationship between smoking and the prevalence of apical periodontitis and root canal treatment in hypertensive patients. METHODS In a cross-sectional study, the records of 100 hypertensive patients, 50 smokers and 50 nonsmokers, were examined. Periapical status of all teeth was assessed by using the periapical index score. RESULTS ...
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