Health claims about US cannabis products with Tim Mackey and Doug Roehler
Addiction Audio28 Nov 2025

Health claims about US cannabis products with Tim Mackey and Doug Roehler

In this episode, Dr Elle Wadsworth talks to Dr Tim Mackey and Dr Doug Roehler. Tim is a professor in the Global Health Program at UC San Diego and the CEO and co-founder of S-3 Research, and Doug is the Cannabis Research Unit lead in the Department of Policy and Research for California’s Department of Cannabis Control. The interview covers Tim and Doug’s research article exploring the health benefit claims of cannabis products on online marketplaces in the United States.

  • Why exploring health benefit claims on cannabis products was an important topic to investigate [01:20]
  • What are cannabis-derived products? [03:07]
  • What are the online marketplaces ‘Leafly’ and ‘Weedmaps’? [03:35]
  • Examples of health benefit claims [05:00]
  • The main findings of the study [07:33]
  • The cannabis regulatory environment in the US [10:20]
  • The differences in health claims between different types of cannabis products [12:20]
  • The methodology used in the study that brought together data scientists and public health researchers [14:11]
  • The health claims that surprised Tim and Doug [18:31]


About Elle Wadsworth: Elle is an academic fellow with the Society for the Study of Addiction. She is based at the University of Bath with the Addiction and Mental Health Group and her research interests include drug policy, cannabis legalisation, and public health. She has a BSc in Chemistry, an MSc in Addiction Studies, and a PhD in Public Health.

About Tim Ken Mackey: Tim is a Professor in the Global Health Program at UC San Diego and the CEO and co-founder of S-3 Research, a public health data science company originally created from a Challenge.gov award. He is also the Director of the Global Health Policy and Data Institute and the Editor-in-Chief of JMIR Infodemiology. He has co-authored over 270 manuscripts on topics including global health, technology, data science, substance use disorder, and health policy. Dr Mackey is an entrepreneur and scientist working on technology innovation to address public health challenges.

About Douglas Roehler: Doug leads the Cannabis Research Unit in the Department of Policy and Research for California’s Department of Cannabis Control. Previously, he was a health scientist and epidemiologist in the Division of Overdose Prevention at the CDC, where he primarily served in the CDC’s Cannabis Strategy Unit. He has published extensively on cannabis topics in peer-reviewed journals and governmental reports, appeared on national podcasts, and represented the CDC in the national media. He has published widely on several other topics, including injury prevention, drug overdose and substance use, youth prevention, syndromic surveillance, traffic crashes, and youth violence.

Declarations of Interest: Tim Mackey is the CEO and co-founder of the company S-3 Research and holds equity/ownership in the company. S-3 Research is a small business that has received funding through government contracts and grants for professional and technology services including on topics related to substance use disorder.


Original article: Exploratory analysis of United States-based cannabis product health benefit claims on online marketplaces https://doi.org/10.1111/add.70177

The opinions expressed in this podcast reflect the views of the host and interviewees and do not necessarily represent the opinions or official positions of the SSA or Addiction journal.

The SSA does not endorse or guarantee the accuracy of the information in external sources or links and accepts no responsibility or liability for any consequences arising from the use of such information.

Hosted on Acast. See acast.com/privacy for more information.

Avsnitt(119)

Mental health and social care with Amy O'Donnell and Kat Jackson

Mental health and social care with Amy O'Donnell and Kat Jackson

In this episode, Zoe Swithenbank talks to Drs Amy O'Donnell and Kat Jackson about their recent study on how to improve care for people with coexisting heavy drinking and depression. The discuss the th...

21 Nov 202335min

Smoking cessation trials with Zoe Swithenbank

Smoking cessation trials with Zoe Swithenbank

In this episode, Rob Calder talks to Zoe Swithenbank about her recent article looking at how to improve research reports on smoking cessation trials. Zoe talks about the challenges of organising an in...

26 Okt 202325min

Drug Consumption rooms with Laurence Lalanne

Drug Consumption rooms with Laurence Lalanne

In this episode Ben Scher talks to Professor Laurence Lalanne about drug consumption rooms and the recent publication based on the COSINUS cohort study. They cover the range of interventions available...

18 Okt 202320min

Drug consumption rooms with Marie Jauffret-Roustide

Drug consumption rooms with Marie Jauffret-Roustide

In this episode Ben Scher talks to Dr Marie Jauffret-Roustide about drug consumption rooms and the recent publication based on the COSINUS cohort study. They cover a range of issues including the hist...

18 Okt 202337min

Drones delivering Naloxone with Caroline Copeland, Patrick Courtney and Paul Royall

Drones delivering Naloxone with Caroline Copeland, Patrick Courtney and Paul Royall

In this episode, Rob Calder talks to Drs Caroline Copeland, Patrick Courtney and Paul Royall about their recent article assessing the time it would take for drones to deliver naloxone to people who ar...

12 Okt 202328min

Canadian low-risk drinking guidelines

Canadian low-risk drinking guidelines

In this episode Dr Merve Mollaametoglu talks to Dr Catherine Paradis director of health promotion and scientific alcohol lead at the Canadian Centre of Substance Use and Addiction, Dr Kevin Shield fro...

5 Okt 202340min

Social media and alcohol with Brandon Cheng

Social media and alcohol with Brandon Cheng

Dr Elle Wadsworth talks here to Brandon Cheng about his research on social media posting and drinking behaviour. Brandon talks about the influence that media and social media have on young people and ...

26 Sep 202317min

Cannabis, sport and anti-doping regulations with Tom Hudzik

Cannabis, sport and anti-doping regulations with Tom Hudzik

In this episode Dr Rob Calder talks to Dr Thomas Hudzik about his work with the World Anti Doping Agency (WADA). Tom talks about the three principles by which a substance is assessed and how they use ...

21 Sep 202323min

Populärt inom Vetenskap

svd-nyhetsartiklar
dumma-manniskor
p3-dystopia
allt-du-velat-veta
rss-ufo-bortom-rimligt-tvivel
kapitalet-en-podd-om-ekonomi
rss-vetenskapsradion-2
det-morka-psyket
rss-vetenskapsradion
medicinvetarna
sexet
bildningspodden
4health-med-anna-sparre
rss-geopodden-2
rss-experimentet
vetenskapsradion
halsorevolutionen
rss-spraket
dumforklarat
rss-arkeologi-historia-podden-som-graver-i-vart-kulturlandskap