Data were included for 10,384 participants (aged 12 to 17 years at baseline) from waves 1 (Sept. 12, 2013, to December 14, 2014) and 2 (Oct. 23, 2014, to October 30, 2015) of the Population Assessment of Tobacco and Health study. Then they asked if the teen had ever smoked a cigarette.
Researchers followed 10,000 nonsmokers ranging in age from 12 to 17 years old for one year to see how their use of other tobacco products influenced the odds that they would become smokers.
Having smoked at least once is significant in teens, the study authors said, because of how fast tobacco addiction can take hold. They found non-users had a 26-percent higher chance of trying a tobacco product after watching online videos or using social networking sites to view tobacco products.
About 90 percent of adult smokers first tried cigarettes by the time they turned 18, according to the study.
Noncigarette tobacco products, such as electronic cigarettes, hookahs, noncigarette combustible tobacco and smokeless tobacco, are popular among young people and it's important to understand whether they encourage smoking of conventional cigarettes.
E-cigarettes and vaporizers are commonly marketed as products that have fewer health effects than using tobacco, and as a way to wean users off cigarettes. And there is a lot of talk about cigarettes, which is absolutely justified.
"Even a little bit of use of these products can get kids addicted", she said.
BRCA Status Doesn't Affect Survival in Young-Onset Breast Cancer
BRCA mutations occur in either the BRCA1 or BRCA2 gene and are inherited. The authors note the findings do not apply to older women.
Recently Dr. Samir Soneji from Dartmouth University and co-workers analyzed data from almost 12,000 adolescents to understand the extent of their online contact with tobacco products and the extent to which it may have affected their behavior.
Every year in the USA, more than 480,000 people die from tobacco use and exposure to secondhand smoke, making it the leading cause of preventable death in this country. This may have weakened some connections between cigarette smoking and other tobacco products, the authors note.
In Utah, about 15.5 percent of high school seniors reported using e-cigarettes in 2017, according to the state Department of Health. Polyuse of two or more noncigarette tobacco products was associated with greater odds of cigarette smoking.
"We should think not only the harm these types of products cause, but also the potential harm that comes from cigarettes".
"Products like e cigarettes are essentially gateways to smoking cigarettes", Chandler said.
In 2016, the Food and Drug Administration announced its intention to begin regulating all tobacco products, including e-cigarettes, hookahs and cigars, as it does cigarettes.
UT Health San Antonio officials recently approved a revised tobacco-free policy that comprehensively defines tobacco-free areas on campus, expands the policy's applications, and extends the list of prohibited items to cover vaping and e-cigarettes. They are allowed to continue to sell the products while the FDA reviews their applications.