Tobacco use started several centuries ago and increased markedly after the invention of the cigarette making machine. Once people start smoking they find it difficult to quit the habit. This is due to the addictive effect of nicotine in tobacco smoke. Various epidemiologic and laboratory studies clearly showed that smoking is associated with various diseases such as heart diseases, asthma and e...

Khat (Catha Edulis Forskal) is widely cultivated in Yemen and East of Africa. The habit of chewing tender leaves and twigs of khat is deep-rooted in Yemen. Our study investigates the chronic khat chewing and smoking effect on oral mucosa. The sample (n=79) consists of two main groups, khat chewers (n=54) and control groups (n=25). Khat chewers group is divided into 4 subgroups according to dura...

BACKGROUND Betel quid chewing is a common habit widely practiced in Southern Asian populations. However, variations are seen in the content of a betel quid across the different countries. Factors associated with commencement and cessation of this habit has been numerously studied. Unfortunately, data on Malaysian population is non-existent. This study aims to determine the factors associated wi...

The incidence of UC shows a double peak in many epidemiological experiences: the first one between 20 and 40 year olds and the second one over 50–60 year olds, mainly in male patients.1 Many factors are considered “trigger events” for the onset of UC like the condition of ex-smoker.2 It was therefore suggested that the second peak of incidence of UC was related to smoking cessation that often t...

A prospective study on two samples of consecutive puerperae (total n degrees 667) from two populations has been carried out in order to investigate the possible effect of smoking habit on relationship between fertility and haptoglobin phenotype.In both populations the negative association previously reported between age of pueperae and Haptoglobin *1/*1 phenotype is present only in women with s...

Objective: The objective of the study was to determine the Knowledge, Attitude and Practice of chewing gutka,areca nut, snuff and tobacco smoking among the young population in the Northern India Population between the age of 15 to 22 years. Methods: The study was approved by the ethical committee. A total of 10 school and colleges located in the rural and urban areas was selected. A total of 15...

The relationship between CYP2A6 genotype and smoking status remains unclear although several studies have been reported. In this study, we have investigated the significance of CYP2A6 genotype on smoking habit and treatment of nicotine patch. Sixty-one smokers (1.7%) working in a Japanese company (n = 3585) participated in this smoking cessation program. Forty-four of 61 (72.1%) smokers were tr...

Purpose: To evaluate smoking, its causes, ill effects on the health and symptoms associated with smoking and smoking withdrawal among university students of Abbottabad, Khyber Pakhtunkhwa, Pakistan. Methods: The questionnaire based study was conducted amongst university students in Abbottabad, Pakistan during November – December, 2012. Data were collected from university students using a self-a...

In order to find out the connected items of smoking habit and to consider its countermeasures of smoking, a questionnaire survey was carried out in July 1985 to 1451 1stand 2ndgrade college or university students. The percentages of students who were currently smoking and who smoked in the past were 75.9% of male students and 35.9% of females. 40.1 % of the male students and 42.6% of the female...