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 program is here and the whole symposium can be watched here.
The CDC recently reported big drops in e-cigarette use between 2019 and 2020 (high school dropped from 27.5% to 19.6% and middle school dropped from 10.5% to 4.7%). As the figure above (courtesy of CDC.) shows, however, e-cig use is still very high, way above where cigarette smoking and e-cigarette use were nine years earlierContinue reading “Good news: Youth e-cig use dropped in 2020”
Registration is now open for UCSF’s annual “It’s About a Billion Lives” Symposium will be held Friday January 29, 2021 from 8:00am–12:30pm Pacific Time by Zoom webinar. In addition to the oral presentations, there will be posters from other UCSF research. KEYNOTE: “Half a century later it is still about social acceptability,” Stanton A. Glantz,Continue reading “Register for UCSF “It’s about a Billion Lives” symposium on Jan 29, 2021″
Tonight the San Francisco Board of Supervisors voted 10-1 to make multiunit housing tobacco smokefree but turned a blind eye to the evidence on the similar harms of secondhand marijuana smoke. The Board will have to vote a second time next week to send the ordinance to the mayor for signature. Marijuana advocates successfully arguedContinue reading “SF Board of Supervisors passes tobacco smokefree multiunit housing bill but exempts marijuana”
One of the difficulties in studying the epidemiological link between marijuana use and disease is the fact that most people who smoke marijuana also smoke cigarettes, making it hard to pry the effects apart in a statistical analysis. Siddarth Shah and colleagues just published an important analysis that avoids this problem by only studying neverContinue reading “Smoking marijuana associated with higher heart disease and stroke risk”