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2026

Journal Article

Association between social media use and intentions to use anabolic-androgenic steroids: the role of body comparisons

Ganson, Kyle T., Piatkowski, Timothy, Testa, Alexander, He, Jinbo and Nagata, Jason M. (2026). Association between social media use and intentions to use anabolic-androgenic steroids: the role of body comparisons. Performance Enhancement and Health, 14 (4) 100447, 100447. doi: 10.1016/j.peh.2026.100447

Association between social media use and intentions to use anabolic-androgenic steroids: the role of body comparisons

2026

Journal Article

How Substance Use Patterns Shape Perceived Cardiac Concern Among An International Sample of Men Who Use Anabolic-Androgenic Steroids

Ahmadinejad, Bahareh, Bonenti, Benjamin, Akrigg, Kimberley, Ferris, Jason, Winstock, Adam, Ball, Lauren, Nagata, Jason M., Ganson, Kyle T. and Piatkowski, Timothy (2026). How Substance Use Patterns Shape Perceived Cardiac Concern Among An International Sample of Men Who Use Anabolic-Androgenic Steroids. Substance Use & Addiction Journal 29767342261460762, 1-16. doi: 10.1177/29767342261460762

How Substance Use Patterns Shape Perceived Cardiac Concern Among An International Sample of Men Who Use Anabolic-Androgenic Steroids

2026

Journal Article

Platforming performance enhancing drugs: how social media is used to promote the enhanced games

Cox, Luke, Cornell, Sam and Piatkowski, Tim (2026). Platforming performance enhancing drugs: how social media is used to promote the enhanced games. Journal of Drug Issues 00220426261457013. doi: 10.1177/00220426261457013

Platforming performance enhancing drugs: how social media is used to promote the enhanced games

2026

Journal Article

Making ‘safer injecting’ matter for people who inject image and performance enhancing drugs

Piatkowski, Timothy, Kill, Emma, Weith, Sonya, Reeve, Steph, Cox, Luke, Coomber, Ross, Puljevic, Cheneal, O’Connor, Thomas and Ferris, Jason (2026). Making ‘safer injecting’ matter for people who inject image and performance enhancing drugs. Health: An Interdisciplinary Journal for the Social Study of Health, Illness and Medicine, 30 (4), 516-537. doi: 10.1177/13634593251388294

Making ‘safer injecting’ matter for people who inject image and performance enhancing drugs

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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, 47 (3), 826-833. 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, 59 (7) eat.70079, 1599-1609. 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

A scoping review of opioid agonist treatment in Australian general practice

Jennings, Warren, Panahi, Idin, Piatkowski, Tim, Wirtz, Charlotte, Ting, David and Spurling, Geoffrey (2026). A scoping review of opioid agonist treatment in Australian general practice. Australian Journal of Primary Health, 32 (4) PY25274, 1-17. doi: 10.1071/py25274

A scoping review of opioid agonist treatment in Australian general practice

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, 1-10. 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

Illicit Injectable Peptides and Regulatory Gaps

Piatkowski, Timothy, Ganson, Kyle T. and Nagata, Jason M. (2026). Illicit Injectable Peptides and Regulatory Gaps. JAMA, e1-e2. doi: 10.1001/jama.2026.10690

Illicit Injectable Peptides and Regulatory Gaps

2026

Journal Article

The prospective association between cyberbullying trajectories and poorer academic outcomes in adolescents

Nagata, Jason M., Wong, Jennifer H., Sajjad, Omar M., Sportsman, Derek, Ganson, Kyle T., Piatkowski, Timothy, He, Jinbo, Hinduja, Sameer, Baker, Fiona C. and Testa, Alexander (2026). The prospective association between cyberbullying trajectories and poorer academic outcomes in adolescents. Academic Pediatrics 103348, 1-23. doi: 10.1016/j.acap.2026.103348

The prospective association between cyberbullying trajectories and poorer academic outcomes in adolescents

2026

Journal Article

Comparing Motivations for Anabolic-Androgenic Steroid Use Among an International Sample of Men

Ahmadinejad, Bahareh, Bonenti, Benjamin, Puljević, Cheneal, Ferris, Jason, Winstock, Adam, Khan, Imran, Ball, Lauren, Fisher, Krista and Piatkowski, Timothy (2026). Comparing Motivations for Anabolic-Androgenic Steroid Use Among an International Sample of Men. Substance Use & Misuse, 1-7. doi: 10.1080/10826084.2026.2675989

Comparing Motivations for Anabolic-Androgenic Steroid Use Among an International Sample of Men

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, 1-12. 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 and Misuse. doi: 10.1080/10826084.2026.2670624

Selfie behaviors among boys and men: exploring associations with intentions to use anabolic-androgenic steroids

2026

Journal Article

Clinical mental health diagnoses among anabolic-androgenic steroid consumers classified as low-risk or hazardous drinkers: a brief report

Bonenti, Benjamin, Puljévic, Cheneal, Ferris, Jason, Davies, Emma, Winstock, Adam, Shorter, Gillian W., Ganson, Kyle, Barnett, Anthony, Nagata, Jason M. and Piatkowski, Timothy (2026). Clinical mental health diagnoses among anabolic-androgenic steroid consumers classified as low-risk or hazardous drinkers: a brief report. Alcohol and Alcoholism, 61 (4) agag047. doi: 10.1093/alcalc/agag047

Clinical mental health diagnoses among anabolic-androgenic steroid consumers classified as low-risk or hazardous drinkers: a brief report

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, 10 (8), 547-549. 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