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2026

Journal Article

Differences in mental health, risk behaviors, and social determinants among anabolic-androgenic steroid consumers with and without co-occurring methamphetamine use in Australia

Bonenti, Benjamin, Kerswell, Nicholas, Shuttleworth, Grace, Murphy, Georgia, Barnett, Anthony, Ahmadinejad, Bahareh and Piatkowski, Timothy (2026). Differences in mental health, risk behaviors, and social determinants among anabolic-androgenic steroid consumers with and without co-occurring methamphetamine use in Australia. Journal of Dual Diagnosis. doi: 10.1080/15504263.2026.2686090

Differences in mental health, risk behaviors, and social determinants among anabolic-androgenic steroid consumers with and without co-occurring methamphetamine use in Australia

2026

Journal Article

The overdose risk environment for people who inject drugs transitioning from prison to community in Australia

Reeve, Steph, Rogers-Perazzo, Kahlil, Kill, Emma, Cooper, Emily and Piatkowski, Timothy (2026). The overdose risk environment for people who inject drugs transitioning from prison to community in Australia. Contemporary Drug Problems, 53 (2), 323-339. doi: 10.1177/00914509251371745

The overdose risk environment for people who inject drugs transitioning from prison to community in Australia

2026

Journal Article

Social media engagement and anabolic-androgenic steroid use intentions among boys and men in Canada and the United States

Ganson, Kyle T., Piatkowski, Timothy, Testa, Alexander, He, Jinbo and Nagata, Jason M. (2026). Social media engagement and anabolic-androgenic steroid use intentions among boys and men in Canada and the United States. Body Image, 57 102057, 1-7. doi: 10.1016/j.bodyim.2026.102057

Social media engagement and anabolic-androgenic steroid use intentions among boys and men in Canada and the United States

2026

Journal Article

Modifiable determinants of psychological harms among male image and performance enhancing drug consumers

Grobler, Etienne, Puljević, Cheneal, Bonenti, Benjamin, Ferris, Jason, Barratt, Monica, Winstock, Adam and Piatkowski, Timothy (2026). Modifiable determinants of psychological harms among male image and performance enhancing drug consumers. Substance Use and Misuse, 1-11. doi: 10.1080/10826084.2026.2675983

Modifiable determinants of psychological harms among male image and performance enhancing drug consumers

2026

Journal Article

GLP-1 weight-loss medicine and Retatrutide use for anabolic effects among online weight trainers: cultural understandings of risk

Cox, Luke, Turnock, Luke A., Akrigg, Kim and Piatkowski, Timothy (2026). GLP-1 weight-loss medicine and Retatrutide use for anabolic effects among online weight trainers: cultural understandings of risk. Addiction Research & Theory. doi: 10.1080/16066359.2026.2671771

GLP-1 weight-loss medicine and Retatrutide use for anabolic effects among online weight trainers: cultural understandings of risk

2026

Journal Article

Selfie Behaviors among Boys and Men: Exploring Associations with Intentions to Use Anabolic-Androgenic Steroids

Ganson, Kyle T., Testa, Alexander, Piatkowski, Timothy, He, Jinbo and Nagata, Jason M. (2026). Selfie Behaviors among Boys and Men: Exploring Associations with Intentions to Use Anabolic-Androgenic Steroids. Substance Use & Misuse, 1-7. doi: 10.1080/10826084.2026.2670624

Selfie Behaviors among Boys and Men: Exploring Associations with Intentions to Use Anabolic-Androgenic Steroids

2026

Journal Article

Responding to injectable synthetic peptide use among young people: priorities for clinicians and public health

Piatkowski, Timothy, Ganson, Kyle T. and Nagata, Jason M. (2026). Responding to injectable synthetic peptide use among young people: priorities for clinicians and public health. The Lancet Child and Adolescent Health. doi: 10.1016/s2352-4642(26)00099-4

Responding to injectable synthetic peptide use among young people: priorities for clinicians and public health

2026

Journal Article

Associations of adolescent social media use trajectories with spatial and verbal memory: a prospective cohort study

Nagata, Jason M., Wong, Jennifer H., Kim, Kristen E., Nayak, Sahana, Li, Elizabeth J., Richardson, Racquel A., Rauschecker, Andreas M., Sugrue, Leo, Ganson, Kyle T., Piatkowski, Timothy, He, Jinbo and Testa, Alexander (2026). Associations of adolescent social media use trajectories with spatial and verbal memory: a prospective cohort study. The Lancet Regional Health: Americas, 57 101454, 1-9. doi: 10.1016/j.lana.2026.101454

Associations of adolescent social media use trajectories with spatial and verbal memory: a prospective cohort study

2026

Journal Article

The Trenbolo(g)ne sandwich: An international study comparing health harms among men who use anabolic‐androgenic steroids with and without Trenbolone

Bonenti, Benjamin, Ahmadinejad, Bahareh, Puljević, Cheneal, Ferris, Jason, Winstock, Adam, Ganson, Kyle T., Nagata, Jason M., Bradshaw, Adam and Piatkowski, Timothy (2026). The Trenbolo(g)ne sandwich: An international study comparing health harms among men who use anabolic‐androgenic steroids with and without Trenbolone. Drug and Alcohol Review, 45 (4) e70162, 1-11. doi: 10.1111/dar.70162

The Trenbolo(g)ne sandwich: An international study comparing health harms among men who use anabolic‐androgenic steroids with and without Trenbolone

2026

Journal Article

“All the Anavar here, all of it is f**king wrong!”: responding to the gendered risks of Australia’s steroid market through testing and community care

Piatkowski, Timothy, Weith, Sonya, Kill, Emma, Puljević, Cheneal, Ferris, Jason, Hutton, Alison and Barratt, Monica J. (2026). “All the Anavar here, all of it is f**king wrong!”: responding to the gendered risks of Australia’s steroid market through testing and community care. Journal of Substance Use, 1-7. doi: 10.1080/14659891.2026.2627199

“All the Anavar here, all of it is f**king wrong!”: responding to the gendered risks of Australia’s steroid market through testing and community care

2026

Journal Article

Foreword: the enhanced games-human enhancement, risk, and harm reduction in a post-doping era

Khan, Imran, Cox, Luke, Ganson, Kyle T. and Piatkowski, Timothy (2026). Foreword: the enhanced games-human enhancement, risk, and harm reduction in a post-doping era. Harm Reduction Journal, 23 (1) 80. doi: 10.1186/s12954-026-01448-4

Foreword: the enhanced games-human enhancement, risk, and harm reduction in a post-doping era

2026

Journal Article

Behavioural intentions associated with exposure to anabolic-androgenic steroid testing results: a two-phase, multi-wave intervention trial

Piatkowski, Timothy, Coomber, Ross, Francis, Cameron, Kill, Emma, Davey, Geoff, Cresswell, Sarah, White, Alan, Harding, Madeline, Blakey, Karen, Reeve, Steph, Walters, Brooke, Puljević, Cheneal, Ferris, Jason, Bonenti, Benjamin, Cox, Luke T. J. and Barratt, Monica J. (2026). Behavioural intentions associated with exposure to anabolic-androgenic steroid testing results: a two-phase, multi-wave intervention trial. Substance Use and Addiction Journal 29767342261427145, 29767342261427145. doi: 10.1177/29767342261427145

Behavioural intentions associated with exposure to anabolic-androgenic steroid testing results: a two-phase, multi-wave intervention trial

2026

Journal Article

Investigating the legitimacy of anabolic-androgenic steroids in Australia’s unregulated market using community testing data

Bonenti, Benjamin, Craven, Alison, Ferris, Jason, Walsh, Connor, Armstrong, Merryn and Piatkowski, Timothy (2026). Investigating the legitimacy of anabolic-androgenic steroids in Australia’s unregulated market using community testing data. Substance Use and Addiction Journal 29767342261426103, 29767342261426103. doi: 10.1177/29767342261426103

Investigating the legitimacy of anabolic-androgenic steroids in Australia’s unregulated market using community testing data

2026

Journal Article

Exploring outpatient psychotherapists' knowledge, confidence, and training on eating disorders and muscle dysmorphia among boys and men

Ganson, Kyle T., Bunnell, Douglas W., Lavender, Jason M., Piatkowski, Timothy and Nagata, Jason M. (2026). Exploring outpatient psychotherapists' knowledge, confidence, and training on eating disorders and muscle dysmorphia among boys and men. International Journal of Eating Disorders eat.70079. doi: 10.1002/eat.70079

Exploring outpatient psychotherapists' knowledge, confidence, and training on eating disorders and muscle dysmorphia among boys and men

2026

Journal Article

"You can only take your clients as far as you've been yourself": examining the intersections between psychedelic-assisted therapy, lived-living experience, and clinical practice

Negrine, Jordan J., Bright, Stephen J., Barratt, Monica J., Pennell, Matthew, Barnett, Anthony, Bennett-Levy, James and Piatkowski, Timothy (2026). "You can only take your clients as far as you've been yourself": examining the intersections between psychedelic-assisted therapy, lived-living experience, and clinical practice. Drugs-Education Prevention and Policy, 1-16. doi: 10.1080/09687637.2026.2645025

"You can only take your clients as far as you've been yourself": examining the intersections between psychedelic-assisted therapy, lived-living experience, and clinical practice

2026

Journal Article

Age-related differences in psychological distress and aggression among people who use anabolic-androgenic steroids

Piatkowski, Timothy, De Andrade, Dominique, Neumann, David and Dunn, Matthew (2026). Age-related differences in psychological distress and aggression among people who use anabolic-androgenic steroids. Journal of Substance Use, 1-4. doi: 10.1080/14659891.2026.2645637

Age-related differences in psychological distress and aggression among people who use anabolic-androgenic steroids

2026

Journal Article

What anabolic–androgenic steroids reveal about the limits of current harm reduction models

Piatkowski, Timothy, Nagata, Jason M. and Nielsen, Suzanne (2026). What anabolic–androgenic steroids reveal about the limits of current harm reduction models. Addiction add.70395. doi: 10.1111/add.70395

What anabolic–androgenic steroids reveal about the limits of current harm reduction models

2026

Conference Publication

Adolescent social media use trajectories and cognitive performance: spatial and verbal memory

Nagata, Jason, Wong, Jennifer, Kim, Kristen, Nayak, Sahana, Li, Elizabeth, Richardson, Racquel, Rauschecker, Andreas, Sugrue, Leo, Ganson, Kyle, Piatkowski, Timothy, He, Jinbo and Testa, Alexander (2026). Adolescent social media use trajectories and cognitive performance: spatial and verbal memory. SAHM 2026 Annual Meeting, Seattle, WA United States, 3-6 March 2026. Philadelphia, PA United States: Elsevier.

Adolescent social media use trajectories and cognitive performance: spatial and verbal memory

2026

Journal Article

Entertainers, not educators? Social media influencers and risk communication in outdoor travel

Cornell, Samuel, Piatkowski, Timothy, Brander, Robert and Peden, Amy E. (2026). Entertainers, not educators? Social media influencers and risk communication in outdoor travel. Journal of Outdoor Recreation and Tourism, 53 100998, 100998. doi: 10.1016/j.jort.2025.100998

Entertainers, not educators? Social media influencers and risk communication in outdoor travel

2026

Journal Article

Mental health correlates of risky anabolic-androgenic steroid use in Australian alcohol and other drug treatment services

Bonenti, Benjamin, Kerswell, Nicholas, Shuttleworth, Grace, Ganson, Kyle T., Ball, Lauren, Ferris, Jason and Piatkowski, Timothy (2026). Mental health correlates of risky anabolic-androgenic steroid use in Australian alcohol and other drug treatment services. Drugs: Education, Prevention and Policy, 1-9. doi: 10.1080/09687637.2026.2633379

Mental health correlates of risky anabolic-androgenic steroid use in Australian alcohol and other drug treatment services