background: adolescent tobacco use remains a major public health priority to reduce the prevalence of tobacco use in community. the aim of this study was determining the association of the transitions in smoking stages with prevalence of cigarette smoking in the classes and schools in adolescents of tabriz city (northwest of iran). methods: fifty-six high schools were randomly selected, and 490...

Experiencing emotional distress is the number one reason why people who are undergoing behaviour modification (e.g. quitting smoking, dieting) suffer from relapses. Providing emotional support is an effective way to help them overcome the unpleasant effects of negative affect and adhere to their regimen. Building computers with such ability has grabbed the attention of the HCI community in rece...

introduction: squamous cell carcinoma (scc) is the most common head and neck malignancy. smoking, alcohol consumption, viral infections, exposure, oral hygiene, and dietary, genetic, and occupational factors are the most important etiologic factors. the aim of this study was determining the incidence of etiologic factors in head and neck scc.  materials and methods: this is a cross-sectional su...

A total of 140 cases of histologically confirmed oral cancer were evaluated for their demographic details, dietary habits and addiction to tobacco and alcohol using a pre-designed structured questionnaire at the Mahatma Gandhi Institute of Medical Sciences, Sevagram in Central India. These cases were matched with three sets of age and sex matched controls. Oral cancer was predominant in the age...

Airborne emissions from hot asphalt contain mixtures of polycyclic aromatic hydrocarbons (PAHs), including several carcinogens. We investigated urinary biomarkers of three PAHs, namely naphthalene (Nap), phenanthrene (Phe), and pyrene (Pyr) in 20 road-paving workers exposed to hot asphalt and in 6 road milling workers who were not using hot asphalt (reference group). Our analysis included basel...

Reversible thermal injury to the esophagus from drinking boiling-hot liquids has been reported to produce alternating pink and white linear bands that impart a "candy-cane" appearance to the inner esophageal wall. This injury has been associated with chest pain, dysphagia, odynophagia, and abdominal pain. We describe a case of candy-cane esophagus caused by thermal injury from smoking freebase ...

A new study in the Journal of Alzheimer's Disease finds a strong link between some food preservatives and an increased risk of death from Alzheimer's, Parkinson's and diabetes. These food additives have previously been linked with several different types of cancer, including prostate, colon and rectum. Sodium and potassium nitrates are used in the processes of salting, pickling and curing foods...

BACKGROUND The Cancer Registry of Crete is a regional population database that collects cancer morbidity/mortality data along with several risk factors. The current study assessed the geographical variation of lung cancer among ever and never smokers in Crete during the last 20 years. METHOD Lung cancer patient records (1992-2013) including information on medical history and smoking habits we...