6. Identifying alcohol use disorder with James MacKillop. May 16, 2025 
In this episode, Dr Tsen Vei Lim talks to Dr James MacKillop, a clinical psychologist and professor at McMaster University in Canada, and director for both the Peter Boris Centre for Addictions Research and the Michael G DeGroote Centre for Medicinal Cannabis Research. The interview covers his research report on the diagnostic validity of drinking behaviour for identifying alcohol use disorder (AUD) with findings from a representative sample of community adults and an inpatient clinical sample. [20 minutes]

5. Adolescent substance use in Africa with Sandra Jumbe and Chris Newby, April 17, 2025 
In this episode, Dr Elle Wadsworth speaks to Dr Sandra Jumbe from the School of Social and Health Sciences at Millenium University in Malawi and the Wolfson Institute of Public Health Queen Mary, and Dr Chris Newby from the Medical School at the University of Nottingham. Sandra and Chris discuss their findings from a systematic review and meta-analysis on factors associated with adolescent substance use in Africa between 2000 and 2020. [18 minutes]

4. Nitazenes in wastewater with Richard Bade, April 11, 2025 
In this episode, Dr Elle Wadsworth talks to Dr Richard Bade from Queensland Alliance for Environmental Health Sciences at the University of Queensland about his and his co-authors research report on the identification of nitazenes through wastewater analysis, using two-years of data from 22 countries. Richard discusses why a study detecting nitazenes in wastewater was needed and what the future for detecting nitazenes in wastewater looks like, including implications for policy and practice. [15 minutes]

3. Communicating public health research with Sarah Jackson, Martin Jarvis and Robert West, March 7. 2025 
In this episode, Dr Elle Wadsworth talks to three generations of tobacco/nicotine researchers: Dr Sarah Jackson and Emeritus Professors Martin Jarvis and Robert West, all from the Department of Behavioural Science and Health at University College London. They discuss a recent editorial, ‘The price of a cigarette: 20 minutes of life?’ – why the message resonated, what was and is difficult to convey in tobacco research, and how the media coverage has changed for tobacco research over the years. [20 minutes]

2. Psychedelics to manage opioid use with Noa Krawczyk, February 28, 2025 
In this episode, Dr Elle Wadsworth talks to Dr Noa Krawczyk from the Department of Population Health at NYU Grossman School of Medicine about her and her co-authors research report on self-reported experiences and perspectives on using psychedelics to manage opioid use among participants of two Reddit communities. Noa discusses the current treatments available for opioid use disorder and why psychedelics are having their moment as an alternative medicine, and what people who use opioids found when taking psychedelics with the intention of reducing or stopping their opioid use. [20 minutes]

1. Alcohol and the pleasure of intoxication with James Nicholls, January 24, 2025
In this episode, Dr Elle Wadsworth talks to Dr James Nicholls from the University of Stirling about an opinion paper he co-authored with Professor Geoffrey Hunt on whether pleasure should receive more attention in public health-oriented alcohol research. They discuss what alcohol researchers and public health professionals can learn about ‘intoxication and pleasure’ from drug research, the different ways that the pleasure of drinking is made more socially acceptable, and what more research on pleasure could do for policy and practice [16.18 minutes].