California has enacted the first law, AB455, that requires sellers of single-family homes to disclose in writing any known indoor smoking, vaping, or thirdhand smoke contamination to prospective buyers. It also also directs the California Department of Toxic Substances Control to update its Homeowner’s Guide to Environmental Hazards to include thirdhand smoke information, a taskContinue reading “California Enacts World’s First Thirdhand Smoke Disclosure Law”
Category Archives: cannabis
People who smoke both tobacco and cannabis are even more sensitive to paying more for cigarettes than those who just smoke cigarettes
Raising the cost of a pack of cigarettes, whether because of taxes or price hikes, has long been associated with lower consumption. The new paper Differential Responsiveness to Cigarette Prices by U.S. Adults Who Do and Do Not Use Cannabis by Tingting Yao and her UCSF colleagues shows that cigarette smokers who currently use cannabisContinue reading “People who smoke both tobacco and cannabis are even more sensitive to paying more for cigarettes than those who just smoke cigarettes”
Inhaled cannabis associated with increased risk of asthma and COPD independent of tobacco smoking
Answering the question of whether inhaling cannabis increases the risks of asthma and chronic obstructive pulmonary disease (COPD) has been complicated by the fact that in the past almost all cannabis smokers also smoked tobacco, so it was difficult to determine whether the observed associations between smoking cannabis and these diseases was really due toContinue reading “Inhaled cannabis associated with increased risk of asthma and COPD independent of tobacco smoking”
The evidence for the ecig gateway to smoking keeps piling up; ecig advocates continue to nitpick
Su Golder and colleagues paper “Vaping and harm in young people: umbrella review” sums up the large existing literature on e-cigarettes’ effects on youth, defined as people under 25. In contrast to systematic reviews which find and draw conclusions based on summing up individual studies, this umbrella review is finds and sums up all theContinue reading “The evidence for the ecig gateway to smoking keeps piling up; ecig advocates continue to nitpick”
UCSF launches new improved Industry Documents Library
Today the UCSF Industry Documents Library launched a complete redesign of the website that aligns with evolving institutional and user research needs and delivers a new and improved user experience. What’s new? Save the date – On Tuesday, September 9, 1:30 p.m. ET/10:30 a.m. PT UCSF is hosting a live website open house and Q&AContinue reading “UCSF launches new improved Industry Documents Library”
Support CDC plan to reinstate NYTS by Aug 15 deadline to submit supportive public comments
In April 2025, the Trump Administration pulled the plug on the National Youth Tobacco Survey in the middle of collecting the 2025 sample, essentially blinding the federal government and the public from important detailed information on youth tobacco use. Now, they are proposing to reinstate it. If implemented properly, this is an important decision. ItContinue reading “Support CDC plan to reinstate NYTS by Aug 15 deadline to submit supportive public comments”
Cannabis use linked to doubling in risk of cardiovascular disease death
Wilhelm Storck and colleagues new paper “Cardiovascular risk associated with the use of cannabis and cannabinoids: a systematic review and meta- analysis” published in Heart adds to the case that, far from being safe, cannabis use poses substantial risks. In an accompanying editorial, “It is time to treat cannabis as an important risk factor forContinue reading “Cannabis use linked to doubling in risk of cardiovascular disease death”
Smoked and edible cannabis both inhibit normal blood vessel function in people
Our earlier epidemiology study linked cannabis use to cardiovascular disease in people. Because most people smoked cannabis in US population at the time, we could not distinguish the effects of inhaled cannabis from other forms of consumption, particularly edibles. Leila Mohammadi and her UCSF colleagues new paper “Association of Endothelial Dysfunction With Chronic Marijuana SmokingContinue reading “Smoked and edible cannabis both inhibit normal blood vessel function in people”
FDA & NIH must support research to increase tobacco cessation reach and engagement to address populations disproportionately harmed by Big Tobacco
My colleagues and I submitted this public commento to FDA and NIH regarding their priorities for tobacco cessatio research. The Regulations.gov tracking number is m3p-2qiq-zm6w. A PDF version is available here. While it was not publicly available when we were preparing this comment, a lot of the suggestions overlap or complement the recently-released Surgeon GeneralContinue reading “FDA & NIH must support research to increase tobacco cessation reach and engagement to address populations disproportionately harmed by Big Tobacco”
Calif Dept of Public Health releases important report presenting policy recommendations that account for the fact that high potency cannabis now dominates the market
On October 4,2024, the California Department of Public Health its REPORT ANDRECOMMENDATIONS OF THE HIGH POTENCY CANNABIS THINK TANK TO THE STATE OF CALIFORNIA prepared by an independent panel of 13 scientist and clinician cannabis experts. It documents the fact that high-potency cannabis has overtaken California and national cannabis markets and summarizes the serious associatedContinue reading “Calif Dept of Public Health releases important report presenting policy recommendations that account for the fact that high potency cannabis now dominates the market”