Nicotine is a major alkaloid in tobacco plants and an addictive component of tobacco products. Some bacteria grow on tobacco plants and have evolved the ability to metabolize nicotine. As part of our microbiology teaching lab, we used minimal media with nicotine as the sole carbon source to isolate nicotine-degrading bacteria from tobacco leaves…

On March 7, 1962 the Royal College of Physicians published a report entitled "Smoking and Health" that made the causal link between smoking and lung cancer clear and explicit. Using a historical data set that contains information on smoking from 1958 to 1965, I find a decrease in smoking for those with more schooling after the report's…

Public health campaigns have the potential to correct vaping misperceptions. However, campaigns highlighting vaping harms to youth may increase misperceptions that vaping is equally/more harmful than smoking. Vaping campaigns have been implemented in the United States and Canada since 2018 and in England since 2017 but with differing focus: youth…

This study investigated whether noticing cannabis education campaigns was associated with increased cannabis risk perceptions in Canada's three territories following non-medical cannabis legalization. Data were from the Cannabis Policy Study in the Territories, including 2452 participants, age [greater than or equal to]16 years residing in Yukon,…

The number of American adults who use electronic nicotine delivery systems (ENDS) increased by 3 million people in 2018, up 38.3% from 8.1 to 11.2 million. Search data for ENDS were analyzed against relevant traits including state longitude, tobacco tax rate and national tobacco program funding. Searches increased 88% (95% CI, 70-100) over the…

Objective: The current study examined group differences in college students' views on e-cigarettes in terms of safety, popularity, health risks, social acceptability, efficacy as a cessation aid, and promoting combustible cigarette use. Participants: 337 undergraduates (M[subscript age] = 20.84, SD = 3.79; 72.1% female; 68.5% White) divided into…

How people make perceived message effectiveness (PME) judgments remains mostly unexplored. This study assessed whether people need to spontaneously think about message effectiveness to report the message as effective on rating scales and investigated emotions as precursors to PME. After viewing one of four e-cigarette prevention messages, 1,968…

Background: College campuses have policies restricting smoking/vaping on campus. Previous studies involving mostly European-American students showed smoking prevalence declines following implementation of such policies. Objective: To evaluate a social media campaign promotive of stronger campus support for an existing campus no-smoking/no-vaping…

There is a public health epidemic in adolescents' use of Electronic Nicotine Delivery Systems (ENDSs), also known as electronic cigarettes, vaping products, or JUULs. However, little is known about the level of knowledge school staff have about ENDS. The purpose of this study is to examine outcomes of a nurse-led educational intervention designed…

This is part II of a two-part series on integrating a physical activity component in delivering health lessons to elementary and middle school students. The purpose of this series is to illustrate how health content can be implemented with hands-on activities, physical experiments, visual illustrations that are associated with a specific lesson…

This study conducted a content analysis of 639 news articles about e-cigarettes in China from 2004-2019 to examine longitudinal changes in media frames and media tones about e-cigarettes in Chinese newspapers. Results indicated that policy frame was the most frequently used frame, followed by human impact frame, information frame, and uncertainty…

Mass media campaigns are an effective population-level intervention for preventing tobacco use. However, little evidence exists for whether these campaigns similarly influence demographic subgroups. This study examined the effects of the truth® campaign to reduce tobacco use among demographic subgroups. We used data from a national, continuous,…

Recently, multiple health organizations and advocacy groups have pushed for giving an R-rating for movies depicting tobacco imagery. This study examined several predictors of U.S. adults' opinion toward an R-rating policy for movies depicting cigarette smoking. We used data from the Health Information National Trends Survey (2020 cycle), for a…

Social media platforms are home to large volumes of ambiguous hashtag-based claims about the health, modified-risk, and cessation benefits of electronic cigarette products (e.g., #Vapingsavedmylife). The objective of this study was to qualitatively explore how young adults interpret these hashtags on the popular platform Instagram. Specifically,…

Purpose: To reduce the smoking rates and alleviate societal problems associated with smoking, health administrators and policy makers have attempted to promote and implement statewide smoking free policy. The present study examined how adults' awareness of and attitude toward the smoke-free air law, their perceived risks of secondhand smoke and…