Bobby P. Smyth

Health Service Executive — Ireland

Medicine · Health Sciences

32h-index3.6kcitations184works1.02yr avg
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Research Topics

Substance Abuse Treatment and Outcomes(77), Opioid Use Disorder Treatment(41), Homelessness and Social Issues(30), Cannabis and Cannabinoid Research(27), Prenatal Substance Exposure Effects(26)

Publications184 total

Use of an Inappropriate Control Period When Exploring the Impacts of Cannabis Legalization.
PubMed·2026Open Access
A cross-sectional study of alcohol and drug-related medical hospital admissions among youth (15–24-years olds) in Ireland during the COVID-19 hard lockdowns
Irish Journal of Psychological Medicine·2025Open Access
Polysubstance use in early adulthood and associated factors in the Republic of Ireland: An analysis of a nationally representative cohort
Addiction·2025· 1 citedOpen Access
Novel substance, same old problems: admissions of psychosis precipitated by hexahydrocannabinol, a widely available semi-synthetic cannabinoid
BJPsych Bulletin·2025· 2 citedOpen Access
Trends in cocaine use and cocaine-related harms in Ireland: a retrospective, multi-source database study
BMC Public Health·2025· 2 citedOpen Access
Trends in cocaine use and cocaine-related harms in Ireland: a retrospective, multi-source database study
2025Open Access
Is big money distorting the global drug policy conversation?
Addiction·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·2025· 3 citedOpen Access
Factors Associated With Cocaine Use at 17 and 20 Years Old: A Longitudinal Analysis of a Nationally Representative Cohort
Journal of Adolescent Health·2025· 4 citedOpen Access
<b>Risk and protective factors for cannabis use in adolescence: a population-based survey in schools</b>
Irish Journal of Psychological Medicine·2024Open Access
Predictors and outcomes of adolescent alcohol and drug use: a scoping review
European Journal of Public Health·2024· 1 citedOpen Access
Examining the link between age of alcohol initiation, adolescent alcohol use and adult substance use
European Journal of Public Health·2024Open Access
Risk factors for cannabis use in young people
Open Access Government·2024Open Access
Changes in first-time registration for opioid agonist treatment in Ireland between 1999 and 2019
Journal of Substance Use·2023
Trends in public attitudes to permitting cannabis for recreational use: analysis of Irish survey data since 2002
European Journal of Public Health·2023· 4 citedOpen Access
Deterrence effect of penalties upon adolescent cannabis use
Irish Journal of Psychological Medicine·2023· 5 citedOpen Access
Changes in HIV incidence in people who inject drugs in Ireland from 2000 to 2018: longitudinal observational study
Addiction·2023· 3 cited
Increase in cannabis‐related emergency department presentations in the period immediately before legalization requires explanation
Addiction·2023· 1 citedOpen Access
Changes in first-time registration for opioid agonist treatment in Ireland between 1999 and 2019
Figshare·2023Open Access
Network analysis of a COVID-19 outbreak in the west of Ireland in February 2021
European Journal of Public Health·2022Open Access
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Frequent Co-authors

Eamon Keenan(13), Walter Cullen(8), Richard Pebody(7), Joanna Ellis(7), Maria Zambon(7), Jim McMenamin(6), H Durnall(5), Simon Cottrell(5), Gerard Bury(5), Nick Andrews(4), Catherine Moore(4), J. M. Watson(4), Gillian Smith(4), Catherine Darker(4), Joe Barry(4), Douglas Fleming(3), John O’Connor(3), Ján Klimas(3), David Meagher(3), Mark H. Wilcox(2)