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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

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

“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

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. doi: 10.1177/29767342261426103

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

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. 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

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

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

2026

Journal Article

Associations between anabolic-androgenic steroid testing, healthcare access and undesirable effects among international consumers

Grobler, Etienne, Puljević, Cheneal, Bonenti, Benjamin, Barratt, Monica J., Ferris, Jason, Winstock, Adam, Vigorous, Steve, Domberelli, Amber, Spurling, Geoff and Piatkowski, Timothy (2026). Associations between anabolic-androgenic steroid testing, healthcare access and undesirable effects among international consumers. Performance Enhancement and Health, 14 (1) 100390, 1-15. doi: 10.1016/j.peh.2025.100390

Associations between anabolic-androgenic steroid testing, healthcare access and undesirable effects among international consumers

2026

Journal Article

“A never-ending cycle”: the structural, economic and social (re)production of blood-borne virus transmission and bacterial infection amongst people who inject drugs in Queensland prisons

Mamic, Jodie M. A., Kill, Emma, Davey, Geoff, Reeve, Steph, Cooper, Emily, Panahi, Idin, Spurling, Geoff, Brown, Graham and Piatkowski, Timothy (2026). “A never-ending cycle”: the structural, economic and social (re)production of blood-borne virus transmission and bacterial infection amongst people who inject drugs in Queensland prisons. International Journal of Drug Policy, 148 105126, 1-14. doi: 10.1016/j.drugpo.2025.105126

“A never-ending cycle”: the structural, economic and social (re)production of blood-borne virus transmission and bacterial infection amongst people who inject drugs in Queensland prisons

2026

Journal Article

Eat clen? The normalisation of harmful clenbuterol use within digital fitness cultures

Cox, Luke and Piatkowski, Tim (2026). Eat clen? The normalisation of harmful clenbuterol use within digital fitness cultures. Performance Enhancement &and Health, 14 (1) 100391, 100391. doi: 10.1016/j.peh.2025.100391

Eat clen? The normalisation of harmful clenbuterol use within digital fitness cultures

2026

Journal Article

“The new DNP”: Discussion of the experimental ‘fat burner’ BAM15 on bodybuilding forums and YouTube

Turnock, Luke A. and Piatkowski, Timothy (2026). “The new DNP”: Discussion of the experimental ‘fat burner’ BAM15 on bodybuilding forums and YouTube. Performance Enhancement and Health, 14 (1) 100362, 1-9. doi: 10.1016/j.peh.2025.100362

“The new DNP”: Discussion of the experimental ‘fat burner’ BAM15 on bodybuilding forums and YouTube

2026

Journal Article

Prospective associations between media parenting practices and adolescent video game use

Nagata, Jason M., Sportsman, Derek, Wong, Jennifer H., Nayak, Sahana, Li, Elizabeth J., Ganson, Kyle T., Piatkowski, Timothy, He, Jinbo, Testa, Alexander and Baker, Fiona C. (2026). Prospective associations between media parenting practices and adolescent video game use. World Journal of Pediatrics, 22 (2), 225-233. doi: 10.1007/s12519-025-01009-y

Prospective associations between media parenting practices and adolescent video game use

2026

Journal Article

Needle service provider trends for image and performance enhancing drugs in Queensland, Australia 2016–2023

Mardani, Mostafa, Puljević, Cheneal, Levey, Mason, Davey, Geoffrey, Arsenijevic, Milena, Ferris, Jason and Piatkowski, Timothy (2026). Needle service provider trends for image and performance enhancing drugs in Queensland, Australia 2016–2023. Drugs: Education, Prevention and Policy, 1-10. doi: 10.1080/09687637.2026.2619695

Needle service provider trends for image and performance enhancing drugs in Queensland, Australia 2016–2023

2026

Journal Article

An international survey of image and performance enhancing drug coaches’ practices and services

Willmott, Ellie, Cox, Luke, AKrigg, Kim, Steve, Vigorous and Piatkowski, Tim (2026). An international survey of image and performance enhancing drug coaches’ practices and services. Journal of Drug Issues 00220426251411514. doi: 10.1177/00220426251411514

An international survey of image and performance enhancing drug coaches’ practices and services

2026

Journal Article

Psychedelics and sexual trauma: effects on communication and emotional connection

Levey, Mason, Bonenti, Benjamin, Piatkowski, Timothy, Ferris, Jason, Frankovitch, Alex, Barratt, Monica, Davies, Emma L., Winstock, Adam and Puljević, Cheneal (2026). Psychedelics and sexual trauma: effects on communication and emotional connection. The Journal of Sex Research PMID 62647, 1-10. doi: 10.1080/00224499.2025.2601165

Psychedelics and sexual trauma: effects on communication and emotional connection