Marijuana joints produce 3.5 times as much secondhand smoke as a Marlboro

Tobacco cigarettes are such strong sources of indoor air pollution that the only way to get acceptable indoor air quality is to make spaces smokefree. Now, Wayne Ott and colleagues have done a real-world study of the levels of pollution caused by smoking a joint (or a bong or vaping cannabis) and found that marijuanaContinue reading “Marijuana joints produce 3.5 times as much secondhand smoke as a Marlboro”

The biological evidence of e-cig dangers keeps piling up

Rachel Keith and Aruni Bhatnagar just published “Cardiorespiratory and Immunologic Effects of Electronic Cigarettes,” which is a nice overview of the growing biological evidence base that e-cigarettes have a lot of adverse health effects, many similar to cigarettes. This material is particularly important because the people who continue to promote e-cigarettes for “harm reduction” continueContinue reading “The biological evidence of e-cig dangers keeps piling up”

FDA can streamline reviewing e-cigs as consumer tobacco products by starting with key questions about use

On February 16, 2021, Mitch Zeller, Director of the FDA’s Center for Tobacco Products (CTP), published an update on FDA’s progress in handling the waterfall of applications for premarket authorization of new tobacco products (PMTA) and other applications from tobacco companies.  Everyone was expecting a large number of PMTA applications for new products to comeContinue reading “FDA can streamline reviewing e-cigs as consumer tobacco products by starting with key questions about use”

Public comment supporting USPS regulation against mailing all e-cigs (including cannabis)

My colleagues at UCSF and Stanford and I just submitted the following public comment supporting Postal Service regulations to prohibit mailing e-cigarettes and their components to implement recent Congressional legislation. This not only includes nicotine devices but also non-nicotine devices, including cannabis. We also suggested some technical clarifications to make sure there are no loopholes.Continue reading “Public comment supporting USPS regulation against mailing all e-cigs (including cannabis)”

UK study shows nondaily ecig use associated with significantly less quitting cigs

A recent paper published in Addiction, “The effectiveness of using e-cigarettes for quitting smoking compared to other cessation methods among adults in the United Kingdom,” found that the odds of 30 day smoking cessation among smokers motivated to quit were cut by a factor or 4 among nondaily e-cig users compared to people who didContinue reading “UK study shows nondaily ecig use associated with significantly less quitting cigs”

FDA should take Puff Bar at its word that it is not a tobacco product … and ban them as illegal drug delivery devices

The 2009 Family Smoking Prevention and Tobacco Control Act gave the FDA jurisdiction to regulate tobacco products, defined as products “made or derived from tobacco.” This means that any product that includes nicotine derived from tobacco is subject to FDA jurisdiction. There has been discussion in academic circles about nicotine delivery products being made fromContinue reading “FDA should take Puff Bar at its word that it is not a tobacco product … and ban them as illegal drug delivery devices”

US Preventive Services Task Force finds evidence on e-cigs as a medicine for quitting “insufficient”

I have written several times about the differences between e-cigarettes as a consumer product and as a cessation medicine. pointing out that population observational studies are relevant for e-cigarettes as a consumer product and randomized clinical trials (RCTs) are relevant for e-cigarettes as a smoking cessation therapy. Now the US Preventive Services Task Force, aContinue reading “US Preventive Services Task Force finds evidence on e-cigs as a medicine for quitting “insufficient””

Three years later the NASEM report on e-cigs is out of date

Physicians for a Smokefree Canada just released this blog post which is an excellent summary of how the state of knowledge has advanced substantially since the National Academies of Science, Engineering and Medicine released its report on e-cigarettes in 2018. While the report was a good summary of the evidence when it was prepared, weContinue reading “Three years later the NASEM report on e-cigs is out of date”

How health groups defeated Juul’s effort to rewrite San Francisco’s e-cigarette regulations

The tobacco companies have been turning to the initiative and referendum process to undo California tobacco control laws and regulations. (The most recent example is the industry’s successful forcing of a referendum on SB 793, the ban on flavored tobacco products the legislature passed last summer.) In 2019 Juul, makers of the wildly popular e-cigaretteContinue reading “How health groups defeated Juul’s effort to rewrite San Francisco’s e-cigarette regulations”