Researcher profile
David Hammond
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Public evidence
23 connected articles
Medical cannabis in the UK: prescriptions, sources, products and high-risk use2026 · medRxivUnderstanding medical cannabis use internationally: Why definitions and context matter.2025 · Europe PMCCannabis Consumption Among Adults Aged 55-65 in Canada, 2018-2021.2025 · Europe PMCSelf-Reported Cannabis Prices and Expenditures From Legal and Illegal Sources Five Years After Legalisation of Non-Medical Cannabis in Canada.2025 · Europe PMCHelp-seeking behaviours among cannabis consumers in Canada and the United States: Findings from the international cannabis policy study.2025 · Europe PMCCross-sectional analysis of cannabis use at work in the USA: differences by occupational risk level and state-level cannabis laws.2025 · Europe PMCDistribution of legal retail cannabis stores in Canada by neighbourhood deprivation.2024 · Europe PMCProximity to Legal Cannabis Stores in Canada and Use of Cannabis Sources in the First Three Years of Legalization, 2019-2021.2023 · Europe PMCPerceptions of cannabis use risk to mental health among youth in Canada, England and the United States from 2017 to 2021.2023 · PubMed Central Open AccessCo-Use, Simultaneous Use, and Mixing of Cannabis and Tobacco: A Cross-National Comparison of Canada and the US by Cannabis Administration Type.2023 · PubMed Central Open AccessLegal sourcing of ten cannabis products in the Canadian cannabis market, 2019-2021: a repeat cross-sectional study.2023 · PubMed Central Open AccessConsumer perceptions of legal cannabis products in Canada, 2019-2021: a repeat cross-sectional study.2022 · PubMed Central Open AccessTHC labeling on cannabis products: an experimental study of approaches for labeling THC servings on cannabis edibles.2022 · PubMed Central Open AccessPrevalence and self-reported reasons of cannabis use for medical purposes in USA and Canada.2022 · PubMed Central Open AccessLegal status of recreational cannabis and self-reported substitution of cannabis for opioids or prescription pain medication in Canada and the United States2022 · PubMed Central Open AccessTrends and Socio-Demographic Differences of Cannabis Vaping in the USA and Canada.2022 · PubMed Central Open AccessThe International Cannabis Toolkit (iCannToolkit): a multidisciplinary expert consensus on minimum standards for measuring cannabis use.2021 · PubMed Central Open AccessCannabis use prior to legalisation among alcohol consumers in the Canadian Yukon and Northwest territories.2021 · PubMed Central Open AccessCannabis health knowledge and risk perceptions among Canadian youth and young adults.2020 · PubMed Central Open AccessHow High? Trends in Cannabis Use Prior to First Admission to Inpatient Psychiatry in Ontario, Canada, between 2007 and 2017.2020 · PubMed Central Open AccessSocial norms towards smoking and vaping and associations with product use among youth in England, Canada, and the US.2019 · PubMed Central Open AccessThe Prevalence of Vaping and Smoking as Modes of Delivery for Nicotine and Cannabis among Youth in Canada, England and the United States.2019 · PubMed Central Open AccessMedical cannabis use in Canada: vapourization and modes of delivery.2016 · PubMed Central Open Access
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