Tobacco habits.

Micronucleus assay- an early diagnostic tool to assess genotoxic changes in tobacco and related habits

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...

Tobacco Habits and Risk of Oral Cancer: A Retrospective Study in India

Background: It is suggested that various forms of tobacco use have some effects on diverse sites of head and neck to develop cancer. Material and Methods: The study examines data for oral cancer in male subjects, collected from the population registered in cancer registry during the year 2007- 2008. All the data collected were entered into the spreadsheets. The statistical package for social sc...

First trimester maternal tobacco smoking habits and fetal growth.

RATIONALE Maternal smoking in pregnancy is associated with reduced birth weight and childhood lung function. This study determined when maternal smoking first influences fetal growth and how this relates to childhood respiratory outcomes. METHODS A longitudinal cohort of 1924 pregnant women was recruited. Fetal ultrasound measurements at 11 weeks (crown-rump length, CRL) and at 20 weeks gesta...

General health and tobacco habits among middle-aged Swedes.

BACKGROUND Convincing scientific evidence exists that smoking has devastating effects on health. The use of smokeless tobacco (snuff) as a tobacco habit has been reported to be considerably less harmful, and has been suggested as an aid to smoking cessation, among other things. METHODS Cross-sectional data on general health and tobacco habits were obtained through a self-administered mail que...

Betel nut & tobacco chewing habits in Durban, Kwazulu Natal