several epidemiological studies have reported that passive smoking (ps) is a public health hazard and perhaps increases the risk of heart disease. this study evaluated the relationship between female coronary heart disease and ps among married women who described themselves as non-smokers in an area of south-east iran. using household exposure to tobacco smoke as an estimate of ps, a hospitalba...

Tobacco smoke is an important risk factor of gastric cancer. Epithelial-mesenchymal transition is a crucial pathophysiological process in cancer development. ERK5 regulation of epithelial-mesenchymal transition may be sensitive to cell types and/or the cellular microenvironment and its role in the epithelial-mesenchymal transition process remain elusive. Epigallocatechin-3-gallate (EGCG) is a p...

Cigarette production involves a number of substances and materials other than just tobacco, paper and a filter. Tobacco additives include flavorings, enhancers, humectants, sugars, and ammonium compounds. Although companies maintain that tobacco additives do not enhance smoke toxicity and do not make cigarettes more attractive or addictive, these claims are questioned by independent researchers...

Background: Tobacco is the most important preventable cause of disease burden and death all over the world. Apart from being the single most important determinant of cancer and cardiovascular diseases, smoking is also a threat to oral health. The Global Youth Tobacco Survey (GYTS) as a part of Global Tobacco Surveillance System (GTSS) was developed to monitor tobacco use, elicit attitudes about...

This study aims to identify support for smoke-free policies among university students. A cross-sectional was conducted 406 students from three main campuses of a in 2018. standardized questionnaire administered on sociodemographic characteristics, knowledge, and habits towards tobacco use influence. There significant association between knowledge secondhand smoke (SHS) the types tobacco-free po...

The chemical composition of tobacco smoke has been extensively examined, and the presence of known and suspected carcinogens in such smoke has contributed to the link between tobacco smoking and adverse health effects. The consumption of marijuana through smoking remains a reality and, among youth, seems to be increasing. There have been only limited examinations of marijuana smoke, including f...

It has been estimated that one in every five cancer deaths worldwide are related to tobacco use. According to the IARC, 10 polycyclic aromatic hydrocarbons (PAH) and 8 tobacco-specific nitrosamines (TSNA), as well as at least 45 other compounds or substances found in tobacco smoke, are potential human carcinogens. The levels of these carcinogens in contents of tobacco and smoke emissions vary b...

College campus tobacco-free policies are an emerging trend. Between September 2013 and May 2014, we surveyed 1309 college students at 8 public 4-year institutions across California with a range of policies (smoke-free indoors only, designated outdoor smoking areas, smoke-free, and tobacco-free). Stronger policies were associated with fewer students reporting exposure to secondhand smoke or seei...

More people are using the cannabis plant as modern basic and clinical science reaffirms and extends its medicinal uses. Concomitantly, concern and opposition to smoked medicine has occurred, in part due to the known carcinogenic consequences of smoking tobacco. Are these reactions justified? While chemically very similar, there are fundamental differences in the pharmacological properties betwe...