Accessibility statement

Ian Hamilton
Senior Lecturer in Addiction and Mental Health



Ian is a lecturer in mental health in the Department of Health Sciences, with an interest in the relationship between substance use and mental health (Dual Diagnosis).

Ian trained and worked as a mental health nurse in South London, working with people who had a severe mental health problem and used drugs or alcohol problematically. He joined the Department in 2004 as a lecturer. His interest in this client group has continued through his work with teams which come into contact with such clients, and also facilitating sessions in this area.


  • Registered Mental Health Nurse


Departmental roles

  • Deputy Chair SSPRD Committee
  • Deputy lead for Masters in Nursing programme



  • Complex Mental Health Needs
  • Dual Diagnosis
  • Working with people who have drug and alcohol problems


Other teaching

  • Hull York Medical School – addiction and motivational interviewing.



Ian's research interests are primarily in dual diagnosis and the relationship between mental health and substance use.

Research group(s)


Selected publications



Full publications list



Ian Hamilton's publications 1995-2019 (PDF , 567kb)

External activities


Editorial duties

  • Editorial Board of Advances in Dual Diagnosis
  • Editorial Board Journal of Drugs: Education, Prevention and Policy

Invited talks and conferences

  • Why people use drugs. Psychedelic Society, York. 2020.
  • Young people and cannabis. Public Health England, Leeds. 2020.
  • The risks and benefits of cannabis. European Health Forum, Gastein, Austria, 2019.
  • Scandalous Decisions: Understanding UK Medicinal Cannabis Policy. International Society for the Study of Drug Policy, Paris, 2019.
  • (2019) A brief history of drug panics. Royal Society of Chemistry, London.
  • Brexit consequences for drug policy. Cambridge University, 2019.
  • The gendered impacts of drug policy.Budapest, 2018.
  • Prescriptions or prisons ? Should we treat drug policy as a health issue ? London 2018
  • Smoke Signals: what does legalised cannabis mean for mental health? London 2018
  • The National Substance Misuse Conference, Birmingham 2018 - Cannabis matters?  
  • Scottish Association for the Study of Offending, Glasgow 2018 - Addiction and mental health.
  • Pint of Science, York 2018 - Women and drugs.
  • Pathfinder Mental Health Conference, York 2017 - Evidence based educational interventions for schools.
  • World Association on Dual Disorders, Madrid 2017 - Synthetic Cannabinoid Receptor Agonists, psychosis and gender.
  • European Risk Research Conference, York 2016 - 'Craving certainty - Cannabis Psychosis'
  • European network of health care organisations, York 2016 - 'Use of adult mental illness beds across Europe' Asklepios - 
  • European Congress of Psychiatry, Madrid 2016 - 'Cannabis psychosis, does gender matter?'
  • IV International Congress of Dual Disorders, Barcelona 2015
    • Presentation: 'Sexual dysfunction as a side effect of psychotropic medicines for people with dual disorders.'
    • Presentation: 'Establishing and maintaining a local dual diagnosis network.'
  • Presentation to III International Congress on Dual Disorders, Barcelona 2013.
  • Presentation to European Society of Criminology Budapest 2013: 'Have UK politicians contributed to hospital admissions for cannabis psychosis?'
  • Presentations to national conferences for Turning Point and Compass on the subject of Dual Diagnosis.
  • Presentation to Dual Disorders conference Barcelona 2011.

Ian Hamilton

Contact details

Ian Hamilton
Senior Lecturer in Addiction and Mental Health

Tel: 01904 321673