CONTEXT Leukoplakia is classified under the term potentially malignant disorder. This term does not suggest the clinician or the patient about the severity of the disease to undergo a malignant transformation. Thus, there arises a need to identify the risk factors associated with malignant transformation (MT) to predict it at the earliest. AIMS To generate evidence regarding the clinicopathol...

OBJECTIVE To know the different epidemiologic aspects of chronic inflammatory bowel disease (IBD) in the Northern area of the province of Huelva. MATERIAL AND METHODS we carried out a retrospective (1980-1996) and prospective (1996-2003) study of all patients diagnosed with IBD in the Northern area of Huelva, with 77,856 inhabitants. The distribution of Crohn s disease (CD) and ulcerative col...

A survey of the smoking habits and attitudes towards smoking of all staff working in a teaching hospital with a specialist thoracic department has been carried out. Six hundred and sixty three (70%) of the 949 members of staff returned a voluntary self completed questionnaire. Completion rates were highest among medical, administrative, and clerical staff, and lowest among domestic and catering...

OBJECTIVES The aim of this study was to determine whether measurements of volatile sulfur compounds (VSCs) are useful to predict colonization of periodontopathic bacteria. For this purpose, we assessed the relationships among distributions of 4 species of periodontopathic bacteria in tongue coating and dental plaque, oral conditions including VSC concentration in mouth air, and smoking habit of...

Cigarette smoking is a major lifestyle-related risk factor for periodontal diseases. However, the pathophysiological role of cigarette smoking in periodontal disease has yet to be fully elucidated. Here we report that the systemic administration of cigarette smoke condensate or nicotine, which is the major ingredient of cigarette smoke, augmented alveolar bone loss. Concomitantly, the number of...

This study aimed to discover the representations of the smoking habit in both non-smoking and smoking female adolescents from a high school in Querétaro, Mexico. It is a qualitative research, carried out with 14 female adolescents in 2005. A semi-structured interview and a socioeconomic survey were used to collect data. Results evidenced adolescents know the biomedical discourse, which proposes...

Ten annual cohorts of men suffering from their first myocardial infarction have been followed up to a maximum period of 10.5 years. One thousand and twenty-three male patients of 1306 were smokers. Three months after the infarction 55% had stopped smoking and 45% continued smoking. These two groups were then compared and followed with regard to non-fatal reinfarctions and deaths. Preinfarction ...

A total of 209 randomly selected Malaysian university students (128 from Universiti Kebangsaan Malaysia, 81 from the University of New South Wales) completed a self-filled questionnaire enquiring about their smoking behaviour and psychosocial characteristics. The prevalence of smoking was 26.6 per cent among students in Malaysia and 18.8 per cent among students in Australia (average 23.4%). Bot...