OBJECTIVE To track trends in cigar smoking and assess perceptions of cigar related health risks among Massachusetts adults. DESIGN A random digit dial telephone survey conducted in 1993 and a subsequent monthly random digit dial survey conducted March 1995 to June 2000. PARTICIPANTS 4733 adults who completed the 1993 survey and 14 868 adults who completed the monthly survey between 1995 and...

Introduction: Chronic obstructive pulmonary disease (COPD) secondary to sulfur mustard gas poisoning, known as mustard lung, is a major late pulmonary complications in chemical warfare patients. Serious comorbidities like dyslipidemia are frequently encountered in COPD. The aim of this study was to measure the serum lipid profile and evaluate the relation of lipid parameters with the severity o...

This study of 130 subjects was performed to obtain more data about the smoking habits and levels of carboxyhemoglobin in various types of pipe and cigar smokers. These smokers may be divided by history into primary or secondary smokers and also into current inhalers and noninhalers. Prior studies of carboxyhemoglobin levels have yielded conflicting results, presumably due to differences in curr...

design (3). We can imagine that some statistical procedure more powerful than standard Mantel-Haenszel and Miettinen tests might narrow the confidence intervals a bit, but it would not alter these point estimates by much. Adjustment of the RR's for tobacco use provides an adequate test for confounding. With subjects categorized either as non-, ex-, or current cigarette smokers or as pipe or cig...

BACKGROUND Chinese men now smoke more than a third of the world's cigarettes, following a large increase in urban then rural usage. Conversely, Chinese women now smoke far less than in previous generations. We assess the oppositely changing effects of tobacco on male and female mortality. METHODS Two nationwide prospective studies 15 years apart recruited 220,000 men in about 1991 at ages 40-...

Bladder cancer is one of the most common genitourinary neoplasms in industrialized countries. Multifocality and high recurrence rates are prominent clinical features of this disease and contribute to its high morbidity. Therefore, more sensitive and less invasive techniques could help identify individuals with asymptomatic disease. In this context, we used the micronucleus assay to evaluate whe...