22. Use and harms of gamma-hydroxybutyrate (GHB) with Amy Peacock and Krista Siefried 12 June 2026 
In this episode, Dr Elle Wadsworth talks to Dr Amy Peacock, an Associate Professor and Deputy Director of the National Drug and Alcohol Research Centre, University of New South Wales, and Dr Krista Siefried, a Clinical Research Lead and Deputy Director, of the National Centre for Clinical Research on Emerging Drugs at the University of New South Wales, Australia. The interview covers two research articles: 1) Amy’s article on trends in gamma-hydroxybutyrate (GHB) use, harms and treatment in Australia and 2) Krista’s article on emergency department presentations, hospitalisations and police seizure data related to GHB in New South Wales, Australia.

21. Swapping smoking for vaping in England with Vera Buss and Leonie Brose 5 June 2026 
In this episode, Annika Theodoulou speaks to Dr Vera Buss, a Senior Research Fellow at University College London, and Professor Leonie Brose, a Professor of Addictions & Public Health at King's College London, UK. The interview covers Vera and Leonie’s research article examining the association between the national ‘Swap to Stop’ programme offering free vapes for smoking cessation and quit attempts in England.

20. Economic effects of reducing consumption of unhealthy commodities with Damon Morris 29 May 2026 
In this episode, Dr Elle Wadsworth talks to Dr Damon Morris, a Research Fellow in the Sheffield Addictions Research Group, School of Medicine and Population Health, at the University of Sheffield, UK. The interview covers Damon’s research article modelling the economic effects of reducing the consumption of unhealthy commodities.

19. Deceptive design features of online gambling platforms with Philip Newall 22 May 2026 
In this episode, Dr Tsen Vei Lim talks to Dr Philip Newall, a Senior Lecturer at the University of Bristol, UK. The interview covers Philip’s opinion and debate article on sludge, dark patterns and dark nudges: a taxonomy of online gambling platforms’ deceptive design features.

18. How personality shapes the risk of problematic alcohol use with Igor Marchetti 15 May 2026 
In this episode, Dr Tsen Vei Lim talks to Igor Marchetti, an Associate Professor in the Department of Health Sciences at the University of Florence, Italy. The interview covers Igor’s research article that tests which personality traits are necessary conditions for problematic alcohol use, with insights from a 23-year longitudinal study.

17. Tracking the supply of nitazenes on online drug markets with Amy Peacock and Monica Barratt 8 May 2026 
In this episode, Dr Elle Wadsworth talks to Dr Amy Peacock, an Associate Professor and Deputy Director of the National Drug and Alcohol Research Centre, University of New South Wales, and Dr Monica Barratt, an Associate Professor at Australia's National Drug Research Institute, Curtin University. The interview covers Amy and Monica’s research article examining the availability of nitazenes via cryptomarkets and surface web shops.

16. The use of AI to detect alcohol with Samatha Salim and Benjamin Riordan 1 May 2026 
In this episode, Dr Tsen Vei Lim talks to Samatha Salim, a PhD candidate, and Dr Benjamin Riordan, a research fellow, both at the Centre for Alcohol policy Research at La Trobe University, Australia. The interview covers Samatha and Benjamin’s article comparing the accuracy of artificial intelligence (AI) models to detect alcohol in video images.

15. Psilocybin microdosing in the United States with Michelle Priest 24 April 2026 
In this episode, Dr Elle Wadsworth talks to Dr Michelle Priest, a research project specialist at RAND, US. The interview covers Michelle’s data insight looking at psilocybin microdosing in the US with insights from a nationally representative survey.

14. Adolescent e-cigarette use under Tobacco 21 policies with James Buszkiewicz 17 April 2026 
In this episode, Dr Annika Theodoulou speaks to Dr James Buszkiewicz, a Research Assistant Professor and social epidemiologist at the University of Michigan, United States. The interview covers James’s research article covering the associations between county-level e-cigarette-inclusive Tobacco 21 law population coverage and e-cigarette use behaviors among United States adolescents.

13. The strengthening association between youth cannabis use and psychological distress over time with André McDonald 10 April 2026 
In this episode, Dr Elle Wadsworth talks to Dr André McDonald, postdoctoral fellow at McMaster University’s Peter Boris Centre for Addictions Research, Canada. The interview covers André’s research article looking at adolescent cannabis use and psychological distress from 2013 to 2023 using a population-based study in Ontario, Canada.

12. Smoking and drinking among Gypsy and Traveller communities with Eve Taylor 2 April 2026 
In this episode, Dr Elle Wadsworth talks to Dr Eve Taylor, a research fellow at University College London, UK. The interview covers Eve’s research article looking at smoking and drinking among the Gypsy and Traveller communities in England.

11. How people decide to consume alcohol when feeling stressed with Jonas Dora 27 March 2026 
In this episode, Dr Tsen Vei Lim talks to Dr Jonas Dora, an Acting Assistant Professor at the University of Washington, US. The interview covers Jonas’ article examining how people decide to consume alcohol when feeling stressed.

10. Advertising cannabis in legal markets with Caitlin McClure-Thomas 20 March 2026 
In this episode, Dr Tsen Vei Lim talks to Caitlin McClure-Thomas, a PhD Candidate at the National Centre for Youth Substance Use Research, the University of Queensland, Australia. The interview covers Caitlin’s systematic review and meta-analysis of self-reported exposure to cannabis advertising and its association with cannabis use and intentions.

9. The future of e-cigarette research with Monserrat Conde 13 March 2026 
In this episode, Dr Chloe Burke talks to Dr Monserrat Conde, a researcher at the Nuffield Department of Primary Care Sciences, University of Oxford, UK. The interview covers a short report on the results of a consultation exercise creating recommendations for future research exploring e-cigarette use and later cigarette smoking in young people.

8. Psilocybin's potential in treating methamphetamine use disorder with Jonathan Brett 6 March 2026 
In this episode, Dr Elle Wadsworth talks to Professor Jonathan Brett, a senior consultant at St. Vincent’s Hospital, Sydney, clinical director of the Psychiatry and Non-Prescription Drug and Alcohol Unit, and a clinical toxicologist with the New South Wales Poison’s Information Centre, Australia. The interview covers Jonathan’s research article looking at psilocybin-assisted psychotherapy for methamphetamine use disorder: A pilot open-label safety and feasibility study.

7. Ultra-processed food addiction in older US adults with Lucy Loch 27 February 2026 
In this episode, Dr Tsen Vei Lim speaks to Lucy Loch, a doctoral candidate in the Department of Psychology at the University of Michigan, US. The interview covers Lucy’s research article on ultra-processed food addiction in a nationally representative sample of older adults in the US.

6. Intersectionality in smoking cessation with Jonathan Bricker 20 February 2026 
In this episode, Annika Theodoulou speaks to Professor Jonathan Bricker, a Professor of Public Health at the Fred Hutchinson Cancer Research Center and Affiliate Professor of Psychiatry at the University of Washington in Seattle, Washington, US. The interview covers Jonathan’s research article covering intersectionality in cigarette smoking cessation using a latent class analysis to predict 12-month cessation in a randomized controlled trial.

5. Estimating risk of cannabis use disorder using standard THC units with Rachel Lees Thorne and Tom Freeman 13 February 2026 
In this episode, Dr Elle Wadsworth talks to Dr Rachel Lees Thorne, a postdoctoral research associate and Professor Tom Freeman, a professor of psychology, both from the Addiction and Mental Health Group at the University of Bath, UK. The interview covers Rachel and Tom’s research article estimating thresholds for risk of cannabis use disorder using standard delta-9-tetrahydrocannabinol (THC) units

4. Smoking cessation among adults with substance use problems with Olufemi Erinoso and Jennifer Pearson 6 February 2026
In this episode, Dr Zoe Swithenbank speaks to Dr Olufemi Erinoso, a postdoctoral fellow at the Massachusetts General Hospital and Dr Jennifer Pearson, an Associate Professor in the School of Public Health at the University of Nevada, Reno. The interview covers Olufemi and Jennifer’s research article covering the use of cessation products, e-cigarettes, and cigarette cessation outcomes among adults with substance use problems, using the Population Assessment of Tobacco and Health (PATH) Study from 2013-2021. [18 minutes]

3. Psilocybin therapy for alcohol use disorder and depression with Amandine Luquiens 30 January 2026
In this episode, Dr Tsen Vei Lim speaks to Professor Amandine Luquiens, a psychiatrist and addiction specialist at the University of Montpellier and the Addiction Department of Nîmes University Hospital, France. The interview covers Amandine’s research article on psilocybin in alcohol use disorder and comorbid depressive symptoms: Results from a feasibility randomized clinical trial. [15 minutes]

2. Stress and online social networks with Annica Kessling and Elisa Wegmann 23 January 2026
In this episode, Dr Tsen Vei Lim speaks to Dr Elisa Wegmann and Annica Kessling, a post-doctoral research fellow and a PhD student at the University of Duisburg-Essen, Germany. The interview covers Annica and Elisa’s research article on the effects of acute psychosocial stress on cue-reactivity, attentional bias and implicit associations in women with problematic social network use: An experimental study

1. How cognition and decision-making processes shape behaviour with Justin Mahlberg 16 January 2026
In this episode, Dr Tsen Vei Lim speaks to Dr Justin Mahlberg, a Research Fellow at Monash University, Australia. The interview covers Justin’s research article on social cognition and decision-making in people with methamphetamine use disorder. [20 minutes]