Calnan, Susan ORCID: https://orcid.org/0000-0002-5048-2103, Millar, Sean ORCID: https://orcid.org/0000-0003-4453-8446 and Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253 (2023) Support for evidence-based alcohol policy in Ireland: results from a representative household survey. European Journal of Public Health, 33, (2), pp. 323-330. https://doi.org/10.1093/eurpub/ckad031.

Millar, Sean ORCID: https://orcid.org/0000-0003-4453-8446 (2023) New estimates of problematic opioid use in Ireland, 2015–2019. Drugnet Ireland, Issue 84, Winter 2023, pp. 1-3.

Millar, Sean ORCID: https://orcid.org/0000-0003-4453-8446 (2023) Drug use among 20-year-olds in Ireland: results from the Growing Up in Ireland study. Drugnet Ireland, Issue 84, Winter 2023, pp. 28-29.

Millar, Sean ORCID: https://orcid.org/0000-0003-4453-8446 (2023) National Self-Harm Registry annual report, 2020. Drugnet Ireland, Issue 84, Winter 2023, pp. 35-37.

Millar, Sean ORCID: https://orcid.org/0000-0003-4453-8446 (2023) Naloxone administration in Ireland, 2018–2020. Drugnet Ireland, Issue 84, Winter 2023, pp. 38-40.

O'Neill, Derek, Condron, Ita, Kelleher, Cathy ORCID: https://orcid.org/0000-0002-1754-0244, Lyons, Suzi, Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253 and Millar, Sean ORCID: https://orcid.org/0000-0003-4453-8446 (2023) Analysis of national drug and alcohol data by regional health area. Drugnet Ireland, Issue 84, Winter 2023, insert, pp. 14-22.

Millar, Sean ORCID: https://orcid.org/0000-0003-4453-8446 (2023) Support for evidence-based alcohol policy in Ireland. Drugnet Ireland, Issue 85, Spring 2023, p. 9.

Millar, Sean ORCID: https://orcid.org/0000-0003-4453-8446 (2023) Adolescent Addiction Service report, 2023. Drugnet Ireland, Issue 85, Spring 2023, pp. 24-25.

Millar, Sean ORCID: https://orcid.org/0000-0003-4453-8446 (2023) Trends in alcohol and drug admissions to psychiatric facilities. Drugnet Ireland, Issue 85, Spring 2023, pp. 26-27.

Millar, Sean ORCID: https://orcid.org/0000-0003-4453-8446 (2023) Ana Liffey Drug Project annual report, 2021. Drugnet Ireland, Issue 85, Spring 2023, p. 38.

Millar, Sean ORCID: https://orcid.org/0000-0003-4453-8446 (2023) DOVE Service, Rotunda Hospital annual report, 2021. Drugnet Ireland, Issue 85, Spring 2023, pp. 39-40.

Millar, Sean ORCID: https://orcid.org/0000-0003-4453-8446 (2023) E-SHEILD : Enabling Students and Higher Education Institutions to Lead the response on Drugs. Drugnet Ireland, Issue 86, Summer 2023, p. 10.

Millar, Sean ORCID: https://orcid.org/0000-0003-4453-8446 (2023) Self-harm in Irish prisons, 2017–2019. Drugnet Ireland, Issue 86, Summer 2023, pp. 35-36.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2023) Health needs assessment in Irish prisons, 2022. Drugnet Ireland, Issue 86, Summer 2023, pp. 37-38.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2023) Progress in the Penal System: drug treatment. Drugnet Ireland, Issue 86, Summer 2023, pp. 43-44.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2023) Alcohol and drug use among Irish farmers. Drugnet Ireland, Issue 86, Summer 2023, pp. 44-45.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) HIV incidence among people who inject drugs in Ireland, 2000–2018. Drugnet Ireland, Issue 87, Winter 2024, pp. 17-18.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) Drug use during pregnancy in Dublin City, 2010–2019. Drugnet Ireland, Issue 87, Winter 2024, p. 19.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) Trends in alcohol and drug admissions to psychiatric facilities. Drugnet Ireland, Issue 87, Winter 2024, pp. 20-21.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) Merchants Quay Ireland annual review, 2021. Drugnet Ireland, Issue 87, Winter 2024, pp. 32-34.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) Prison visiting committees annual reports, 2021. Drugnet Ireland, Issue 87, Winter 2024, pp. 34-36.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) Ana Liffey Drug Project annual report, 2022. Drugnet Ireland, Issue 87, Winter 2024, pp. 36-37.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) Coolmine Therapeutic Community annual report, 2021. Drugnet Ireland, Issue 87, Winter 2024, pp. 50-51.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) DOVE Service, Rotunda Hospital annual report, 2022. Drugnet Ireland, Issue 87, Winter 2024, pp. 52-53.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) Tabor Group annual report, 2022. Drugnet Ireland, Issue 87, Winter 2024, p. 54.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446, Harrington, Janas M, Perry, Ivan J ORCID: https://orcid.org/0000-0002-4965-9792 and Phillips, Catherine M (2024) Lifestyle factors and BMI attenuate relationships between biomarkers of inflammation and depressive symptoms and well-being: a cross-sectional study. Brain, Behavior, and Immunity, 37, 100759. https://doi.org/10.1016/j.bbih.2024.100759.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) Adolescent Addiction Service report, 2024. Drugnet Ireland, Issue 88, Summer 2024, pp. 21-23.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) National Self-Harm Registry Ireland annual report, 2021. Drugnet Ireland, Issue 88, Summer 2024, pp. 23-25.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) Merchants Quay Ireland annual review, 2022. Drugnet Ireland, Issue 88, Summer 2024, pp. 25-27.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) Irish Prison Service drugs strategy, 2023–2026. Drugnet Ireland, Issue 88, Summer 2024, pp. 28-29.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) Recreational and sexualised drug use among men who have sex with men. Drugnet Ireland, Issue 89, Autumn 2024, pp. 29-30.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) Non-fatal drug-related hospital admissions in Ireland, 2023. Drugnet Ireland, Issue 89, Autumn 2024, pp. 40-45.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) Emergence of synthetic opioids on the Irish heroin market. Drugnet Ireland, Issue 89, Autumn 2024, pp. 46-47.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) Review of Pharmacy Needle Exchange Programme in Ireland. Drugnet Ireland, Issue 89, Autumn 2024, pp. 47-49.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) ‘K culture’ – the emergence of ketamine on the Irish drug scene. Drugnet Ireland, Issue 89, Autumn 2024, pp. 49-50.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2024) Injecting trends in Dublin and Midlands regions: results from Syringe Analysis Programme, 2021–2022. Drugnet Ireland, Issue 89, Autumn 2024, pp. 50-52.

Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253, Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446, Brennan, Margaret, Doyle, Anne ORCID: https://orcid.org/0000-0002-2776-3476, Galvin, Brian ORCID: https://orcid.org/0000-0002-5639-1819 and McCarthy, Noel (2025) Associations and mediating factors between adverse childhood experiences and substance use behaviours in early adulthood: a population-based longitudinal study. Addictive Behaviors, 161, 108194. https://doi.org/10.1016/j.addbeh.2024.108194.

Brennan, Margaret, Cavallaro, Massimo, Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253, Doyle, Anne ORCID: https://orcid.org/0000-0002-2776-3476, Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446, Zgaga, Lina, Smyth, Bobby P ORCID: https://orcid.org/0000-0003-3797-5541, Nixon, Elizabeth, Ivers, Jo-Hanna ORCID: https://orcid.org/0000-0001-7723-8787, Galvin, Brian ORCID: https://orcid.org/0000-0002-5639-1819, Walsh, Cathal, McCrory, Cathal and McCarthy, Noel D (2025) Factors associated with cocaine use at 17 and 20 years old: a longitudinal analysis of a nationally representative cohort. Journal of Adolescent Health, 76, (3), pp. 488-498. https://doi.org/10.1016/j.jadohealth.2024.10.033.

Muttucomaroe, Lauren, Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446, Hanrahan, Michael T, Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253, Joyce, Mary, Corcoran, Paul ORCID: https://orcid.org/0000-0003-1201-7136 and Byrne, Michael (2025) Problem drug use in Cork City: a study on prevalence and harms. Cork: University College Cork.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) Psychotic illness triggered by widely available semi-synthetic cannabinoid. Drugnet Ireland, Issue 90, Winter 2025, p. 15.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) Frostbite injuries from recreational nitrous oxide use. Drugnet Ireland, Issue 90, Winter 2025, p. 30.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) HSE Safer Nightlife programme: feedback on provision of harm reduction outreach in Irish festival settings. Drugnet Ireland, Issue 90, Winter 2025, pp. 31-32.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) Prescription drug prescribing trends in Irish prisons, 2012–2020. Drugnet Ireland, Issue 90, Winter 2025, pp. 32-33.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) Launch of the ESHEILD project at UCC. Drugnet Ireland, Issue 91, Spring 2025, pp. 1-4.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) Adverse childhood experiences and drug use among young adults in Ireland. Drugnet Ireland, Issue 91, Spring 2025, pp. 10-11.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) Factors associated with cocaine use among young adults in Ireland. Drugnet Ireland, Issue 91, Spring 2025, pp. 12-13.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) New report on problem drug use in Cork city published. Drugnet Ireland, Issue 91, Spring 2025, pp. 13-14.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) Trends in alcohol and drug admissions to psychiatric facilities. Drugnet Ireland, Issue 91, Spring 2025, pp. 25-26.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) Prison visiting committees annual reports, 2022. Drugnet Ireland, Issue 91, Spring 2025, pp. 27-29.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) Ana Liffey Drug Project annual report, 2023. Drugnet Ireland, Issue 91, Spring 2025, pp. 29-30.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) Self-harm in Irish prisons, 2020 and 2021. Drugnet Ireland, Issue 91, Spring 2025, pp. 30-32.

Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253, Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446, Carew, Anne Marie ORCID: https://orcid.org/0000-0002-8026-7228, Kelleher, Cathy ORCID: https://orcid.org/0000-0002-1754-0244, Daly, Antoinette ORCID: https://orcid.org/0000-0003-3691-6777, Lyons, Suzi ORCID: https://orcid.org/0000-0002-4635-6673, Galvin, Brian ORCID: https://orcid.org/0000-0002-5639-1819 and Smyth, Bobby P ORCID: https://orcid.org/0000-0003-3797-5541 (2025) Trends in cocaine use and cocaine-related harms in Ireland: a retrospective, multi-source database study. BMC Public Health, 25, (1), 2285. https://doi.org/10.1186/s12889-025-23224-y.

Brennan, Margaret, Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253, Doyle, Anne ORCID: https://orcid.org/0000-0002-2776-3476, Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446, Cavallaro, Massimo, Zgaga, Lina, Smyth, Bobby P ORCID: https://orcid.org/0000-0003-3797-5541, Nixon, Elizabeth, Ivers, Jo-Hanna ORCID: https://orcid.org/0000-0001-7723-8787, Galvin, Brian ORCID: https://orcid.org/0000-0002-5639-1819, Walsh, Cathal, McCrory, Cathal and McCarthy, Noel D (2025) Polysubstance use in early adulthood and associated factors in the Republic of Ireland: an analysis of a nationally representative cohort. Addiction, Early online, https://doi.org/10.1111/add.70182.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) New estimates of problematic opioid use in Ireland, 2020–2022. Drugnet Ireland, Issue 92, Autumn 2025, Supplement, pp. 2-7.

Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253 and Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) Results from the 2023 Healthy Ireland Survey on drug use in Ireland. Drugnet Ireland, Issue 92, Autumn 2025, Supplement, pp. 8-13.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) Substance use among Irish 15–16-year-olds: new findings from the European School Survey Project on Alcohol and Other Drugs, 2024. Drugnet Ireland, Issue 92, Autumn 2025, Supplement, pp. 13-15.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) Drug use among 25-year-olds in Ireland: results from the GUI study. Drugnet Ireland, Issue 92, Autumn 2025, Supplement, pp. 16-17.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) Cannabis use findings from the Health Behaviour in School-aged Children study, 2022. Drugnet Ireland, Issue 92, Autumn 2025, Supplement, pp. 17-19.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) Cannabis use among Irish adolescents: risk and protective factors. Drugnet Ireland, Issue 92, Autumn 2025, Supplement, p. 19.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) Prescription drug misuse in Ireland. Drugnet Ireland, Issue 92, Autumn 2025, pp. 17-18.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) New research on non-fatal opioid overdoses in Ireland. Drugnet Ireland, Issue 92, Autumn 2025, p. 19.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) Non-fatal drug-related hospital admissions in Ireland, 2024. Drugnet Ireland, Issue 92, Autumn 2025, pp. 20-25.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 and Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253 (2025) New study shows a rise in cocaine-related harms in Ireland. Drugnet Ireland, Issue 92, Autumn 2025, pp. 30-32.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) New Irish study shows that the home environment and organised extracurricular activities significantly influence adolescent cannabis use. Drugnet Ireland, Issue 92, Autumn 2025, pp. 33-34.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) Merchants Quay Ireland annual review, 2023. Drugnet Ireland, Issue 92, Autumn 2025, pp. 37-39.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 (2025) National Self-Harm Registry Ireland annual report, 2022 and 2023. Drugnet Ireland, Issue 92, Autumn 2025, pp. 40-41.

Brennan, Margaret M, Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253, Doyle, Anne ORCID: https://orcid.org/0000-0002-2776-3476, Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446, Cavallaro, Massimo, Zgaga, Lina, Smyth, Bobby P ORCID: https://orcid.org/0000-0003-3797-5541, Nixon, Elizabeth, Ivers, Jo-Hanna ORCID: https://orcid.org/0000-0001-7723-8787, Galvin, Brian ORCID: https://orcid.org/0000-0002-5639-1819, Walsh, Cathal, McCrory, Cathal and McCarthy, Noel D (2025) Early and risky adolescent alcohol use independently predict alcohol, tobacco, cannabis and other drug use in early adulthood in Ireland: a longitudinal analysis of a nationally representative cohort. BMC Public Health, 25, 1129. https://doi.org/10.1186/s12889-025-22262-w.

Daly, Fionn P, Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446, Major, Emmet and Barrett, Peter M (2025) The impact of the home life environment and organised extracurricular activities on adolescent cannabis use: findings from the Irish Planet Youth Survey. Public Health, 242, pp. 375-381. https://doi.org/10.1016/j.puhe.2025.03.013.

Doyle, Anne ORCID: https://orcid.org/0000-0002-2776-3476, O'Dwyer, Claire ORCID: https://orcid.org/0000-0002-7978-9731, Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253, Millar, Sean ORCID: https://orcid.org/0000-0003-4453-8446 and Galvin, Brian ORCID: https://orcid.org/0000-0002-5639-1819 (2023) Factors associated with public awareness of the relationship between alcohol use and breast cancer risk. BMC Public Health, 23, 577. https://doi.org/10.1186/s12889-023-15455-8.

Hanrahan, Michael T, Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446, Phillips, Karl P, Reed, Thomas E, Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253 and Perry, Ivan J ORCID: https://orcid.org/0000-0002-4965-9792 (2022) Problematic opioid use in Ireland, 2015–2019. Dublin: Health Research Board.

Millar, Sean (2017) Results from fourth general population survey on illicit drug use in Ireland. Drugnet Ireland, Issue 60, Winter 2017, pp. 1-5.

Millar, Sean (2017) Sixth ESPAD survey report published. Drugnet Ireland, Issue 60, Winter 2017, pp. 10-11.

Millar, Sean (2017) Trends in alcohol and drug admissions to psychiatric facilities. Drugnet Ireland, Issue 60, Winter 2017, p. 12.

Millar, Sean (2017) Drug, alcohol and tobacco use among general population in Irish RDATF areas. Drugnet Ireland, Issue 61, Spring 2017, p. 8.

Millar, Sean (2017) Alcohol, tobacco and illicit substance use among 17‒18-year-olds in Ireland. Drugnet Ireland, Issue 61, Spring 2017, p. 10.

Millar, Sean (2017) Incidence of hepatitis C among people who inject drugs in Ireland. Drugnet Ireland, Issue 61, Spring 2017, p. 12.

Millar, Sean (2017) National Self-Harm Registry Ireland annual report, 2015. Drugnet Ireland, Issue 61, Spring 2017, p. 11.

Millar, Sean (2017) Self-harm, alcohol consumption and public holidays. Drugnet Ireland, Issue 62, Summer 2017, p. 20.

Millar, Sean (2017) A typology of alcohol consumption among university students in Ireland. Drugnet Ireland, Issue 62, Summer 2017, p. 24.

Millar, Sean (2017) Evaluation of the pilot stage of the Pharmacy Needle Exchange Programme in Ireland. Drugnet Ireland, Issue 62, Summer 2017, pp. 31-33.

Millar, Sean (2017) Alcohol treatment services in Ireland: how the public view them. Drugnet Ireland, Issue 62, Summer 2017, p. 35.

Millar, Sean (2017) Healthcare in Irish prisons. Drugnet Ireland, Issue 62, Summer 2017, pp. 36-37.

Millar, Sean (2017) Injecting drug use and hepatitis C treatment. Drugnet Ireland, Issue 63, Autumn 2017, p. 25.

Millar, Sean (2017) Trends in alcohol, tobacco and cannabis use among school-aged children in Ireland, 1998—2014. Drugnet Ireland, Issue 63, Autumn 2017, pp. 26-27.

Millar, Sean (2017) Audit of hepatitis C testing and referral, 2015. Drugnet Ireland, Issue 63, Autumn 2017, p. 32.

Millar, Sean (2018) New estimates of problem opiate use in Ireland. Drugnet Ireland, Issue 64, Winter 2018,

Millar, Sean (2018) HIV in Ireland: knowledge, attitudes and stigma. Drugnet Ireland, Issue 64, Winter 2018, p. 8.

Millar, Sean (2018) Street-based injecting in Dublin city centre. Drugnet Ireland, Issue 64, Winter 2018, p. 9.

Millar, Sean (2018) Post-detoxification outcomes in opioid-dependent patients. Drugnet Ireland, Issue 64, Winter 2018, p. 13.

Millar, Sean (2018) Merchants Quay Ireland annual review, 2016. Drugnet Ireland, Issue 64, Winter 2018, pp. 10-11.

Millar, Sean (2018) National Self-Harm Registry annual report, 2016. Drugnet Ireland, Issue 64, Winter 2018, p. 12.

Millar, Sean (2018) Trends in alcohol and drug admissions to psychiatric facilities. Drugnet Ireland, Issue 65, Spring 2018, p. 6.

Millar, Sean (2018) Irish medical students’ experiences and attitudes towards community naloxone provision. Drugnet Ireland, Issue 65, Spring 2018, p. 7.

Millar, Sean (2018) Chemsex, risk behaviours and infection among men who have sex with men in Dublin. Drugnet Ireland, Issue 65, Spring 2018, p. 8.

Millar, Sean (2018) Factors associated with alcohol involvement in suicide and self-harm in Ireland. Drugnet Ireland, Issue 65, Spring 2018, pp. 8-9.

Millar, Sean (2018) Public consultation for a new safe injecting facility in Dublin. Drugnet Ireland, Issue 65, Spring 2018, pp. 9-10.

Millar, Sean (2018) Detecting problem alcohol use in Irish general practice. Drugnet Ireland, Issue 66, Summer 2018, p. 15.

Millar, Sean (2018) DOVE Clinic, Rotunda Hospital annual report, 2016. Drugnet Ireland, Issue 66, Summer 2018, p. 17.

Millar, Sean (2018) Frequently used drug types and intentional drug overdoses in Ireland. Drugnet Ireland, Issue 66, Summer 2018, pp. 18-19.

Millar, Sean (2018) Preventing and reducing alcohol-related harm: the Sligo city alcohol strategy. Drugnet Ireland, Issue 66, Summer 2018, p. 22.

Millar, Sean (2018) Adult smoking in Ireland: findings from the Healthy Ireland Survey and the Irish Longitudinal Study on Ageing. Drugnet Ireland, Issue 67, Autumn 2018, p. 8.

Millar, Sean (2018) Decline in adolescent smoking in Ireland and associated factors. Drugnet Ireland, Issue 67, Autumn 2018, p. 9.

Millar, Sean (2018) Youth smoking in Ireland: findings from the Health Behaviour in School-aged Children survey. Drugnet Ireland, Issue 67, Autumn 2018, pp. 9-10.

Millar, Sean (2018) Prevalence of major mental illness, substance misuse and homelessness among Irish prisoners. Drugnet Ireland, Issue 67, Autumn 2018, pp. 13-14.

Millar, Sean (2018) Hospital presentations and preceding factors of drug overdose among adolescents. Drugnet Ireland, Issue 67, Autumn 2018, 16 p..

Millar, Sean (2018) Integrated hepatitis C care for people who inject drugs. Drugnet Ireland, Issue 67, Autumn 2018, pp. 16-17.

Millar, Sean (2018) High uptake of sterile crack pipes in response to surge in cocaine use in Dublin. Drugnet Ireland, Issue 67, Autumn 2018, p. 17.

Millar, Sean (2018) Reducing the harms of cocaine use in Ireland. Drugnet Ireland, Issue 67, Autumn 2018, p. 27.

Millar, Sean (2018) Opioid substitution treatment for heroin-dependent adolescents. Drugnet Ireland, Issue 67, Autumn 2018, 28 p..

Millar, Sean (2018) Tabor Group annual report, 2017. Drugnet Ireland, Issue 67, Autumn 2018, pp. 28-29.

Millar, Sean (2019) Polydrug use in Ireland, 2014/15 survey results. Drugnet Ireland, Issue 68, Winter 2019, p. 17.

Millar, Sean (2019) Cannabis use in Ireland. New findings from the fourth general population survey. Drugnet Ireland, Issue 68, Winter 2019, pp. 18-19.

Millar, Sean (2019) Pregabalin and gabapentin reclassified as controlled drugs in the UK. Drugnet Ireland, Issue 68, Winter 2019, p. 20.

Millar, Sean (2019) Trends in alcohol and drug admissions to psychiatric facilities. Drugnet Ireland, Issue 69, Spring 2019, pp. 12-13.

Millar, Sean (2019) Global, regional and country level estimates of HCV infection among recent injecting drug users. Drugnet Ireland, Issue 69, Spring 2019, pp. 13-14.

Millar, Sean (2019) Barriers and enablers to HCV screening and treatment in Irish prisons. Drugnet Ireland, Issue 69, Spring 2019, pp. 23-24.

Millar, Sean (2019) Merchants Quay Ireland annual review, 2017. Drugnet Ireland, Issue 69, Spring 2019, pp. 25-26.

Millar, Sean (2019) DOVE Clinic, Rotunda Maternity Hospital annual report, 2017. Drugnet Ireland, Issue 69, Spring 2019, pp. 26-27.

Millar, Sean (2019) Client perspectives on barriers to progressing through methadone maintenance treatment in Ireland. Drugnet Ireland, Issue 70, Summer 2019, 18 p..

Millar, Sean (2019) Profiles of Irish psychiatric inpatients with no fixed abode. Drugnet Ireland, Issue 70, Summer 2019, pp. 18-19.

Millar, Sean (2019) Adolescent addiction service report, 2018. Drugnet Ireland, Issue 70, Summer 2019, 28 p..

Millar, Sean (2019) National Self-Harm Registry annual report, 2017. Drugnet Ireland, Issue 71, Autumn 2019, pp. 17-18.

Millar, Sean (2019) Trends in addiction treatment in Irish prisons. Drugnet Ireland, Issue 71, Autumn 2019, p. 19.

Millar, Sean (2019) Hepatitis C virus screening and treatment in Irish prisons from a governor and prison officer perspective. Drugnet Ireland, Issue 71, Autumn 2019, pp. 20-21.

Millar, Sean (2019) Deaths in custody in Irish prisons. Drugnet Ireland, Issue 71, Autumn 2019, p. 21.

Millar, Sean (2019) Self-harm in Irish prisons. Drugnet Ireland, Issue 71, Autumn 2019, pp. 22-23.

Millar, Sean (2019) Tabor Group annual report, 2018. Drugnet Ireland, Issue 71, Autumn 2019, pp. 28-29.

Millar, Sean (2020) Health in Ireland: key trends. Drugnet Ireland, Issue 73, Spring 2020, pp. 7-8.

Millar, Sean (2020) Fatality study of drugs taken in intentional overdose in Ireland. Drugnet Ireland, Issue 73, Spring 2020, 9 p..

Millar, Sean (2020) Blanchardstown Drug and Alcohol Trends Monitoring System. Drugnet Ireland, Issue 73, Spring 2020, pp. 9-10.

Millar, Sean (2020) Street tablet use in Ireland – results from a Trendspotter study on use, markets, and harms. Drugnet Ireland, Issue 74, Summer 2020, pp. 1-4.

Millar, Sean (2020) DOVE Service, Rotunda Maternity Hospital annual report, 2018. Drugnet Ireland, Issue 74, Summer 2020, pp. 26-27.

Millar, Sean (2020) Trends in alcohol and drug admissions to psychiatric facilities. Drugnet Ireland, Issue 74, Summer 2020, pp. 28-29.

Millar, Sean (2020) National Self-Harm Registry annual report, 2018. Drugnet Ireland, Issue 74, Summer 2020, pp. 29-30.

Millar, Sean (2020) Needle exchange provision during Covid-19 pandemic. Drugnet Ireland, Issue 75, Autumn 2020, pp. 13-14.

Millar, Sean (2020) Crack cocaine use in Ballymun. Drugnet Ireland, Issue 75, Autumn 2020, pp. 14-15.

Millar, Sean (2020) Irish drug use findings from European Men-Who-Have-Sex-With-Men internet survey. Drugnet Ireland, Issue 75, Autumn 2020, p. 16.

Millar, Sean (2020) Hepatitis C virus infection in Irish drug users and prisoners – a scoping review. Drugnet Ireland, Issue 75, Autumn 2020, p. 18.

Millar, Sean (2020) Estimating the seroprevalence of untreated chronic HCV infection in Mountjoy Prison. Drugnet Ireland, Issue 75, Autumn 2020, p. 19.

Millar, Sean (2020) Senior management perspectives on needle exchange provision in Irish prisons. Drugnet Ireland, Issue 75, Autumn 2020, p. 20.

Millar, Sean (2020) Prison visiting committee annual reports, 2018. Drugnet Ireland, Issue 75, Autumn 2020, pp. 21-22.

Millar, Sean (2020) Ana Liffey Drug Project annual report, 2018. Drugnet Ireland, Issue 75, Autumn 2020, p. 22.

Millar, Sean (2020) Adolescent Addiction Service report, 2020. Drugnet Ireland, Issue 75, Autumn 2020, p. 23.

Millar, Sean (2021) Merchants Quay Ireland annual review, 2018. Drugnet Ireland, Issue 76, Winter 2021, pp. 30-32.

Millar, Sean (2021) Correlates of cannabis use and cannabis use disorder in Ireland. Drugnet Ireland, Issue 77, Spring 2021, pp. 36-37.

Millar, Sean (2021) Self-harm in Irish prisons. Drugnet Ireland, Issue 77, Spring 2021, pp. 41-42.

Millar, Sean (2021) Cannabis use among Irish children: results from the 2018 Health Behaviour in School-aged Children Survey. Drugnet Ireland, Issue 77, Spring 2021, pp. 47-48.

Millar, Sean (2021) Trends in alcohol and drug admissions to psychiatric facilities. Drugnet Ireland, Issue 78, Summer 2021, pp. 23-24.

Millar, Sean (2021) National Self-Harm Registry annual report, 2019. Drugnet Ireland, Issue 78, Summer 2021, pp. 25-26.

Millar, Sean (2021) Repeated self-harm among young people following hospital-presenting intentional drug overdose. Drugnet Ireland, Issue 78, Summer 2021, pp. 26-27.

Millar, Sean (2021) Tabor Group annual report, 2019. Drugnet Ireland, Issue 78, Summer 2021, pp. 33-35.

Millar, Sean (2021) Results from the fifth general population survey on illicit drug use in Ireland. Drugnet Ireland, Issue 79, Autumn 2021, pp. 1-7.

Millar, Sean (2021) Relationships between cannabis and recent use of stimulant drugs. Drugnet Ireland, Issue 79, Autumn 2021, pp. 21-22.

Millar, Sean (2021) Age at first substance use, persistence of cannabis use, and cannabis use disorder in Ireland. Drugnet Ireland, Issue 79, Autumn 2021, pp. 22-23.

Millar, Sean (2021) Patterns of new psychoactive substance use among patients attending for opioid substitution treatment in Ireland. Drugnet Ireland, Issue 79, Autumn 2021, p. 24.

Millar, Sean (2021) Health Behaviour in School-aged Children Study, 2018. Drugnet Ireland, Issue 79, Autumn 2021, pp. 32-33.

Millar, Sean (2021) Seventh ESPAD survey report published. Drugnet Ireland, Issue 79, Autumn 2021, pp. 34-36.

Millar, Sean (2021) Self-harm in Irish prisons, 2019. Drugnet Ireland, Issue 79, Autumn 2021, pp. 37-38.

Millar, Sean (2021) Drug-related infectious diseases in Ireland, 2020. Drugnet Ireland, Issue 79, Autumn 2021, pp. 38-43.

Millar, Sean (2022) Adolescent Addiction Service report, 2021. Drugnet Ireland, Issue 80, Winter 2022, p. 20.

Millar, Sean (2022) Prison visiting committees annual reports, 2019. Drugnet Ireland, Issue 80, Winter 2022, pp. 22-23.

Millar, Sean (2022) A plan to tackle the underlying causes of addiction and open drug dealing in Ballymun, Dublin. Drugnet Ireland, Issue 80, Winter 2022, pp. 25-26.

Millar, Sean (2022) Merchants Quay Ireland annual review, 2019. Drugnet Ireland, Issue 80, Winter 2022, p. 27.

Millar, Sean (2022) DOVE Service, Rotunda Hospital annual report, 2019. Drugnet Ireland, Issue 80, Winter 2022, pp. 28-29.

Millar, Sean (2022) Tabor Group annual report, 2020. Drugnet Ireland, Issue 80, Winter 2022, p.32.

Millar, Sean (2022) Drug use among students in higher education in Ireland. Drugnet Ireland, Issue 81, Spring 2022, pp. 1-4.

Millar, Sean (2022) Trends in alcohol and drug admissions to psychiatric facilities. Drugnet Ireland, Issue 81, Spring 2022, pp. 13-14.

Millar, Sean (2022) Merchants Quay Ireland annual review, 2020. Drugnet Ireland, Issue 81, Spring 2022, pp. 22-24.

Millar, Sean (2022) Ana Liffey Drug Project annual report, 2020. Drugnet Ireland, Issue 81, Spring 2022, p. 24.

Millar, Sean (2022) Adolescent Addiction Service report, 2022. Drugnet Ireland, Issue 82, Summer 2022, pp. 20-21.

Millar, Sean (2022) DOVE Service, Rotunda Hospital annual report, 2020. Drugnet Ireland, Issue 82, Summer 2022, pp. 30-31.

Millar, Sean (2022) Prison visiting committees annual reports, 2020. Drugnet Ireland, Issue 82, Summer 2022, pp. 31-32.

Millar, Sean (2022) Irish findings from the European Web Survey on Drugs. Drugnet Ireland, Issue 83, Winter 2022, pp. 1-5.

Millar, Sean (2022) Cost-effectiveness of mass screening for hepatitis C virus in Irish prisons. Drugnet Ireland, Issue 83, Winter 2022, p. 15.

Millar, Sean (2022) Drug use among Probation Service clients in Ireland. Drugnet Ireland, Issue 83, Winter 2022, p. 16.

Millar, Sean (2022) Not-fatal drug-related hospital admissions in Ireland, 2020. Drugnet Ireland, Issue 83, Winter 2022, pp. 16-20.

Millar, Sean (2022) Tabor Group annual report, 2021. Drugnet Ireland, Issue 83, Winter 2022, p. 23.

Millar, Sean ORCID: https://orcid.org/0000-0003-4453-8446 (2022) Coolmine Therapeutic Community annual report, 2020. Drugnet Ireland, Issue 83, Winter 2022, p. 24.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446, Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253, Smyth, Bobby P ORCID: https://orcid.org/0000-0003-3797-5541, Perry, Ivan J ORCID: https://orcid.org/0000-0002-4965-9792 and Galvin, Brian ORCID: https://orcid.org/0000-0002-5639-1819 (2021) Relationships between age at first substance use and persistence of cannabis use and cannabis use disorder. BMC Public Health, 21, https://doi.org/10.1186/s12889-021-11023-0.

Millar, Sean ORCID: https://orcid.org/0000-0003-4453-8446, Harrington, Janas M, Perry, Ivan J and Phillips, Catherine M (2020) Protective lifestyle behaviours and lipoprotein particle subclass profiles in a middle-to older-aged population. Atherosclerosis, 314, pp. 18-26. doi: 10.1016/j.atherosclerosis.2020.10.005.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446, Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253, O'Dwyer, Claire ORCID: https://orcid.org/0000-0002-7978-9731, Long, Jean, Smyth, Bobby P ORCID: https://orcid.org/0000-0003-3797-5541, Perry, Ivan J ORCID: https://orcid.org/0000-0002-4965-9792 and Galvin, Brian ORCID: https://orcid.org/0000-0002-5639-1819 (2021) Correlates of patterns of cannabis use, abuse and dependence: evidence from two national surveys in Ireland. European Journal of Public Health, 31, (2), pp. 441-447. https://doi.org/10.1093/eurpub/ckab007.

Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446, Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253, O'Dwyer, Claire ORCID: https://orcid.org/0000-0002-7978-9731, Smyth, Bobby P ORCID: https://orcid.org/0000-0003-3797-5541, Perry, Ivan J ORCID: https://orcid.org/0000-0002-4965-9792 and Galvin, Brian ORCID: https://orcid.org/0000-0002-5639-1819 (2021) Relationships between patterns of cannabis use, abuse and dependence and recent stimulant use: evidence from two national surveys in Ireland. PLoS ONE, 16, (8), e0255745. https://doi.org/10.1371/journal.pone.0255745.

Millar, Sean ORCID: https://orcid.org/0000-0003-4453-8446, Navarro, Pilar, Harrington, Janas M, Shivappa, Nitin, Hébert, James R, Perry, Ivan J and Phillips, Catherine M (2021) Comparing dietary score associations with lipoprotein particle subclass profiles: a cross-sectional analysis of a middle-to older-aged population. Clinical Nutrition, 40, (7), pp. 4720-4729. doi: 10.1016/j.clnu.2021.06.005.

Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253, Carew, Anne Marie ORCID: https://orcid.org/0000-0002-8026-7228, O'Neill, Derek, Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446, Lyons, Suzi ORCID: https://orcid.org/0000-0002-4635-6673, Galvin, Brian ORCID: https://orcid.org/0000-0002-5639-1819 and Smyth, Bobby P ORCID: https://orcid.org/0000-0003-3797-5541 (2022) Comparing cannabis use disorder in the general population with cannabis treatment seekers using multi-source national datasets: who receives treatment? European Addiction Research, 28, (2), pp. 103-112. https://doi.org/10.1159/000518648.

Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253, Killeen, Nicki ORCID: https://orcid.org/0000-0001-6220-1586, Evans, David, Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446, Keenan, Eamon ORCID: https://orcid.org/0000-0002-3395-3831 and Galvin, Brian ORCID: https://orcid.org/0000-0002-5639-1819 (2022) European web survey on drugs 2021: Irish results. Dublin: Health Research Board.

Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253, Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446 and Galvin, Brian ORCID: https://orcid.org/0000-0002-5639-1819 (2021) The 2019–20 Irish National Drug and Alcohol Survey: main findings. Dublin: Health Research Board.

Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253, Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446, O'Dwyer, Claire ORCID: https://orcid.org/0000-0002-7978-9731, Long, Jean and Galvin, Brian ORCID: https://orcid.org/0000-0002-5639-1819 (2020) Drinking in denial: a cross-sectional analysis of national survey data in Ireland to measure drinkers’ awareness of their alcohol use. BMJ Open, 10, (e034520), doi: 10.1136/bmjopen-2019-034520.

Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253, Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446, Brennan, Margaret M, Doyle, Anne ORCID: https://orcid.org/0000-0002-2776-3476, Galvin, Brian ORCID: https://orcid.org/0000-0002-5639-1819 and McCarthy, Noel (2025) Longitudinal associations between childhood adversity and alcohol use behaviours in early adulthood: examining the mediating roles of parental and peer relationships. Child Abuse & Neglect, 161, 107302. https://doi.org/10.1016/j.chiabu.2025.107302.

O'Dwyer, Claire ORCID: https://orcid.org/0000-0002-7978-9731, Mongan, Deirdre ORCID: https://orcid.org/0000-0003-3616-4253, Millar, Seán ORCID: https://orcid.org/0000-0003-4453-8446, Rackard, Marion, Galvin, Brian ORCID: https://orcid.org/0000-0002-5639-1819, Long, Jean and Barry, Joe (2019) Drinking patterns and the distribution of alcohol-related harms in Ireland: evidence for the prevention paradox. BMC Public Health, 19, p. 1323. doi: 10.1186/s12889-019-7666-4.