What wastewater reveals about drug use in Hanoi, Vietnam with Phong Thai
Addiction Audio14 Nov 2025

What wastewater reveals about drug use in Hanoi, Vietnam with Phong Thai

In this episode, Dr Elle Wadsworth talks to Dr Phong Thai, an Associate Professor at Queensland Alliance for Environmental Health Sciences, Australia. The interview covers Phong’s research article on a wastewater study measuring illegal drug use in Hanoi, Vietnam, to determine the feasibility of conducting wastewater analysis in a low-income country.

Note: The acronym ‘UNODC’ used in this episode stands for the ‘United Nations Office on Drugs and Crime’.


  • Why looking at illegal drug use in Vietnam is important [01:07]
  • Wastewater analysis and its utility in a low-income country [02:00]
  • The biomarkers of focus [03:55]
  • Why the authors chose Hanoi, Vietnam, to pilot wastewater analysis in South East Asia [05:38]
  • Vietnam’s location and relation to drug trafficking in South East Asia [07:12]
  • The Golden Triangle [08:22]
  • The main findings of the study [08:48]
  • Ketamine’s rise in popularity in Vietnam [10:16]
  • The impact of COVID-19 on the consumption of drugs in Vietnam [11:18]
  • Why are synthetic drugs becoming more popular? [12:30]
  • The feasibility of conducting wastewater analysis in a low-income country [13:33]
  • The take-home messages of the study [15:34]


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.

About Phong Thai: Phong is an ARC Mid-Career Industry Fellow and Associate Professor at Queensland Alliance for Environmental Health Sciences (QAEHS). His research focus involves the expansion of wastewater-based epidemiological approach to estimate community consumption and exposure to a range of legal and illegal substances (including tobacco and alcohol) and pharmaceuticals, as well as the monitoring of community infection to COVID-19 during the last pandemic. He is a member of the team who manage the National Wastewater Drug Monitoring Program in Australia and has helped pioneering wastewater drug monitoring in several countries.


Original article: Significant changes in preference of illicit drug use in a population of Hanoi, Vietnam – A 6-year wastewater study (2018–2023) https://doi.org/10.1111/add.70147


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(122)

Smoking and drinking among Gypsy and Traveller communities with Eve Taylor

Smoking and drinking among Gypsy and Traveller communities with Eve Taylor

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 Gyp...

2 Apr 15min

How people decide to consume alcohol when feeling stressed with Jonas Dora

How people decide to consume alcohol when feeling stressed with Jonas Dora

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 a...

27 Mars 18min

Advertising cannabis in legal markets with Caitlin McClure-Thomas

Advertising cannabis in legal markets with Caitlin McClure-Thomas

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...

20 Mars 17min

The future of e-cigarette research with Monserrat Conde

The future of e-cigarette research with Monserrat Conde

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 resu...

13 Mars 15min

Psilocybin's potential in treating methamphetamine use disorder with Jonathan Brett

Psilocybin's potential in treating methamphetamine use disorder with Jonathan Brett

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 U...

6 Mars 19min

Ultra-processed food addiction in older US adults with Lucy Loch

Ultra-processed food addiction in older US adults with Lucy Loch

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-proc...

27 Feb 15min

Intersectionality in smoking cessation with Jonathan Bricker

Intersectionality in smoking cessation with Jonathan Bricker

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 Univers...

20 Feb 17min

Estimating risk of cannabis use disorder using standard THC units with Rachel Lees Thorne and Tom Freeman

Estimating risk of cannabis use disorder using standard THC units with Rachel Lees Thorne and Tom Freeman

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 Gro...

13 Feb 16min

Populärt inom Vetenskap

p3-dystopia
dumma-manniskor
svd-nyhetsartiklar
allt-du-velat-veta
kapitalet-en-podd-om-ekonomi
det-morka-psyket
doden-hjarnan-kemisten
sexet
rss-ufo-bortom-rimligt-tvivel-2
rss-vetenskapsradion-2
rss-vetenskapsradion
bildningspodden
paranormalt-med-caroline-giertz
medicinvetarna
dumforklarat
har-vi-akt-till-mars-an
rss-spraket
vetenskapsradion
halsorevolutionen
hacka-livet