Cannabis

Use of cannabis for mental health in the Canadian territories: A cross sectional study.

Schwartz N, Poon T, Hammond D, Hobin E. Substance Use and Misuse 2024; Sep 29:1-9.

Associations between noticing public health education campaigns about cannabis and risk perceptions in the northern Canadian territories: a cross sectional study.

Schwartz N, Poon T, Hammond D, Hobin E. Health Education Research 2024; Jun 21:cyae021. doi: 10.1093/her/cyae021. Epub ahead of print.

Youth and young adults’ knowledge and perceptions of risks and benefits regarding cannabis products: a cross-sectional analysis of over 1,700 individuals.

Balneaves LG, Hammond, D, Turner S, Nickel N, Woodgate R, Watling CZ. Journal of Psychoactive Drugs 2024; Jul 1:1-10. DOI: 10.1080/02791072.2024.2371028. Epub ahead of print.

Prevalence of cannabis use and the frequency, types, and sources of cannabis products used in northern remote territories of the Canadian legal cannabis market

Hobin E, Schwartz N, Poon T, Hammond D. Canadian Journal of Public Health 2024; May 17. doi: 10.17269/s41997-024-00891-9. Epub ahead of print.

Cannabidiol-only product use in Pregnancy in the United States and Canada: Findings from the International Cannabis Policy Study.

Bhatia D, Sakai J, Reddy S, Mikulich S, Hammond D. Obstetrics & Gynecology 2024; 144(2):156-159.

Perceptions and use of cannabis vaping products among youth: a cross-sectional analysis of 1,100 cannabis consumers.

Watling CZ, Hammond D, Turner S, Nickel N, Woodgate RL, Balneaves LG. International Journal of Mental Health and Addiction 2024; https://doi.org/10.1007/s11469-024-01246-8. Epub ahed of print.

Social norms for cannabis use following non-medical legalization in Canada.

Winfield-Ward L, Hammond D. American Journal of Preventive Medicine 2023; S0749-3797(23)00513-5.

Adverse outcomes of cannabis use in Canada, before and after legalization of non-medical cannabis: cross-sectional analysis of the international cannabis policy study.

Marquette A, Iraniparast M, Hammond D. British Medical Journal Open 2024; 14(1):e077908.

A systematic review of cannabis health warning research.

Massey ZB, Hammond D, Froeliger B. Preventive medicine reports 2024; 37: doi: 10.1016/j.pmedr.2023.102573.

Fataar F, Driezen P, Owusu-Bempah A, Hammond D. Journal of Ethnicity in Substance Abuse 2024; Jan 8 [Epub ahead of print]. https://doi.org/10.1080/15332640.2023.2293938.

Use of flavored cannabis vaping products in the US, Canada, Australia, and New Zealand: Findings from the International Cannabis Policy Study Wave 4 (2021).

D’Mello K, Chan GCK, Hall W, Rychert M, Wilkins C, Hammond D. The American Journal of Drug and Alcohol Abuse 2023; 49(5): 640-651.

Perceptions of Cannabis Use Risk to Mental Health Among Youth in Canada, England and the United States from 2017 to 2021.

Lemos MK, Taylor E, Wadsworth E, Reid JL, Hammond D, East K. Drug and Alcohol Dependence 2023; 250:110904.

Proximity to legal cannabis stores in Canada and use of cannabis sources in the first three years of legalization, 2019-2021.

Wadsworth E, Driezen P, Dilley JA, Gabrys R, Jesseman R, Hammond D. Journal of Studies on Alcohol and Drugs 2023; 84(6):852-862.

Patterns of problematic cannabis use in Canada pre- and post-legalisation: Differences by neighbourhood deprivation, individual socioeconomic factors and race/ethnicity.

Fataar F, Driezen P, Owusu-Bempah A, Hammond D. Drug and Alcohol Review 2023; 42(6):1534-1546.

Minimum legal age laws and perceived access to cigarettes, e-cigarettes, and other substances among youth in Canada, England, and the United States: 2017-2021.

Reid JL, Burkhalter R, Kasza K, Seo YS, East K, Hyland A, Hammond D. International Journal of Drug Policy 2023; 115:104003.

Self-reported THC content and associations with perceptions of feeling high among cannabis consumers.

Lineham J, Wadsworth E, Hammond D. Drug and Alcohol Review 2023; 42(5):1142-1152.

Differences between adults who smoke cigarettes daily and do and do not co-use cannabis: Findings from the 2020 ITC Four Country Smoking and Vaping Survey.

Gravely S, Driezen P, McClure EA, Hammond D, Cummings KM, Chan G, Hyland A, Borland R, East KA, Fong GT, Schauer G, Quah ACK, Ouimet

Co-use of cannabis and alcohol before and after Canada legalized non-medical cannabis: a repeat cross-sectional study.

Hobin EP, Weerasinghe A, Boniface S, Englund A, Wadsworth E, Hammond D. Journal of Psychopharmacology 2023; 37(5):462-471.

Co-use, Simultaneous Use, and Mixing of Cannabis and Tobacco: A Cross-National Comparison of Canada and the US by Cannabis Administration Type.

Chu A, Chaiton M, Kaufman P, Goodwin R, Lin J, Hindocha C, Goodman S, Hammond D. International Journal of Environmental Research and Public Health 2023;

Legal sourcing of ten cannabis products in the Canadian cannabis market, 2019–2021: a repeat cross-sectional study.

Wadsworth E, Rynard V, Driezen P, Freeman TP, Rychert R, Wilkins C, Hall W, Gabrys R, Hammond D. Harm Reduction Journal 2023; 20:19.

Home cannabis cultivation in the United States and differences by state-level policy, 2019-2020.

Wadsworth E, Schauer GL, Hammond D. The American Journal of Drug and Alcohol Abuse 2022; 48(6):701-711.

Consumer perceptions of legal cannabis products in Canada, 2019–2021: a repeat cross-sectional study.

Wadsworth E, Fataar F, Goodman S, Smith DM, Renard J, Gabrys R, Jesseman R, Hammond D. BMC Public Health 2022; 22:2048.

Trends and Socio-Demographic Differences of Cannabis Vaping in the USA and Canada.

Lim CCW, Chan GCK, Wadsworth E, Stjepanović D, Chiu V, Chung JYC, Sun T, Connor J, Leung J, Gartner C, Hall W, Hammond D. International

Self-reported impact of the COVID-19 pandemic on cannabis use in Canada and the United States.

Wadsworth E, Goodman S, Hammond D. Journal of Psychoactive Drugs 2023; 55(4):483-492.

Trends in the use of cannabis products in Canada and the USA, 2018-2020: Findings from the International Cannabis Policy Study.

Hammond D, Goodman S, Wadsworth E, Freeman TP, Kilmer B, Schauer G, Pacula RL, Hall W. International Journal of Drug Policy 2022;105:103716.

Reasons for purchasing cannabis from illegal sources in legal markets: results from Canada and US states, 2019–2020.

Goodman S, Wadsworth E, Hammond D. Journal of Studies on Alcohol and Drugs 2022; 83(3):392-401s.

Prices and purchase sources for dried cannabis flower in the United States, 2019-2020.

Wadsworth E, Driezen P, Pacula RL, Kilmer B, Hammond D. Cannabis & Cannabinoid Research 2023; 8(5):923-932.

Perceived access to cannabis and ease of purchasing cannabis in retail stores in Canada immediately before and one year after legalization.

Wadsworth E, Driezen P, Chan G, Hall W, Hammond D. American Journal of Drug and Alcohol Abuse 2022;48(2):195-205.

Home cultivation across Canadian provinces after cannabis legalization.

Wadsworth E, Cristiano N, Pacheco K, Jesseman R, Hammond D. Addictive Behaviors Reports 2022; 15: 100423.

THC labelling on cannabis products: An experimental study of approaches for labelling THC servings on cannabis.

Goodman S, Hammond D. Journal of Cannabis Research 2022; 4:17.

Prevalence and factors associated with self-reported exposure to secondhand cannabis smoke in the United States and Canada in 2019.

Driezen P, Kaufman P, Chaiton M, Goodman S, Hammond D. Preventive Medicine 2022;1 57: 107006.

Legal status of recreational cannabis and self-reported substitution of cannabis for opioids or prescription pain medication in Canada and the United States.

Wadsworth E, Hines LA, Hammond D. Substance Abuse 2022; 43(1):943-948.

Cannabis and Mental Health: Adverse Outcomes and Self-Reported Impact of Cannabis Use by Mental Health Status.

Rup J, Freeman T, Perlman CP, Hammond D. Substance Use & Misuse 2022; 57(5):719-729.

Perceptions of the health risks of cannabis: estimates from national surveys in Canada and the United States, 2018-2019.

Goodman S, Hammond D. Health Education Research 2022; 37(2):61-78.

Prevalence and self-reported reasons of cannabis use for medical purposes in USA and Canada.

Leung J, Chan G, Stjepanović D, Chung JYC, Hall W, Hammond D. Psychopharmacology. 2022; 239(5):1509-1519.

Cannabis flower prices and transitions to legal sources after legalization in Canada, 2019-2020.

Wadsworth E, Driezen P, Pacula RL, Hammond D. Drug and Alcohol Dependence 2022; 231: 109262.

Do Mandatory Health Warning Labels on Consumer Products Increase Recall of the Health Risks of Cannabis?

Goodman S, Leos-Toro C, Hammond D. Substance Use & Misuse 2022; 57(4): 569-580.

Prevalence and use of cannabis products and routes of administration among youth and young adults in Canada and the United States: A systematic review.

Wadsworth E, Craft S, Calder R, Hammond D. Addictive Behaviors 2022; 129:107258.

The rise of cannabis vaping: implications for survey design.

Ball J, Zhang J, Hammond D, Boden J, Stanley J, Edwards R. New Zealand Medical Journal 2021; 134(1540): 95-98.

Increasing cannabis use is associated with poorer cigarette smoking cessation outcomes: Findings from the ITC Four Country Smoking and Vaping Surveys, 2016-2018.

Driezen P, Gravely S, Wadsworth E, Smith DM, Loewen R, Hammond D, Lin L, Abramovici H, McNeill A, Borland R, Cummings KM, Thompson ME, Fong

International Cannabis Toolkit (iCannToolkit): a multidisciplinary expert consensus on minimum standards for measuring cannabis use.

Lorenzetti V, Hindocha C, Petrilli K, Griffiths P, Brown J, Castillo-Carniglia A, Caulkins JP, Englund A, ElSohly M Gage S, Groshkova T, Gual A, Hammond

Noticing of cannabis health warning labels in Canada and the US.

Goodman S, Hammond D. Health Promotion and Chronic Disease Prevention 2021; 41(7/8).

Cannabis use prior to legalization among alcohol consumers in the Canadian Yukon and Northwest Territories.

Goodman S, Hobin E, Hammond D. International Journal of Circumpolar Health 2021; 80(1): 1948254.

Retail availability and legal purchases of dried flower in Canada post-legalization.

Wadsworth E, Driezen P, Hammond D. Drug and Alcohol Dependence 2021; 225: 108794.

Cannabis and mental health: prevalence of use and modes of cannabis administration by mental health status.

Rup J, Freeman TP, Perlman C, Hammond D. Addictive Behaviors 2021; 121:106991.

The efficacy of health warnings and package branding on perceptions of cannabis products among youth and young adults.

Leos-Toro C, Fong GT, Hammond D. Drug and Alcohol Review 2021; 4: 637-646.

Cannabis consumption, purchasing and sources among young Canadians: The Cannabis Purchase and Consumption Tool (CPCT).

Sikorski C, Leos Toro C, Hammond D. Substance Use & Misuse 2021; 56(4): 449-457.

Prevalence and modes of cannabis use among youth in Canada, England, and the US, 2017 to 2019.

Hammond D, Wadsworth E, Reid JL, Burkhalter R. Drug & Alcohol Dependence 2021; 219: 108505.

Consumer perceptions of ‘legal’ and ‘illegal’ cannabis in US states with legal cannabis sales.

Fataar F, Goodman S, Wadsworth E, Hammond D. Addictive Behaviors 2021; 112:106563.

Cannabis use and driving under the influence: behaviors and attitudes by state-level legal sale of recreational cannabis.

Lensch T, Sloan K, Ausmus J, Pearson J, Clements-Nolle K, Goodman S, Hammond D. Preventive Medicine 2020; 141:106320.

How High? Trends in Cannabis Use Prior to First Admission to Inpatient Psychiatry in Ontario, Canada, between 2007 and 2017.

McGuckin T, Ferro MA, Hammond D, Stewart S, Maloney-Hall B, Madi N, Porath A, Perlman CM. Can J Psychiatry 2021; 66(12):1059-1068.

Use and perceptions of cannabidiol (CBD) products in Canada and the USA.

Goodman S, Wadsworth E, Schauer G, Hammond D. Cannabis and Cannabinoid Research 2022; 7(3):355-364.

Lower-Risk Cannabis Use Guidelines: Adherence in Canada and the USA.

Goodman S, Fischer B, Hammond D. American Journal of Preventive Medicine 2020; 59(6):e211-e220.

The Lower-Risk Cannabis Use Guidelines’ (LRCUG) recommendations: How are Canadian cannabis users complying?

Lee CR, Lee A, Goodman S, Hammond D, Fischer B. Preventive Medicine Reports 2020; 20:101187.

Knowledge of tetrahydrocannabinol and cannabidiol levels among cannabis consumers in the United States and Canada.

Hammond D, Goodman S. Cannabis and Cannabinoid Research 2022; 7(3):345-354.

Cannabis health knowledge and risk perceptions among Canadian youth and young adults.

Leos-Toro C, Fong GT, Meyer S, Hammond D. Harm Reduction Journal 2020; 17(54):1-13.

International differences in patterns of cannabis use among adult cigarette smokers: Findings from the 2018 ITC Four Country Smoking and Vaping Survey.

Gravely S, Driezen P, Smith D, Borland R, Lindblom EN, Hammond D, McNeill A, Hyland A, Cummings KM, Chan G, Thompson ME, Boudreau C, Martin

Standard Tetrahydrocannabinol Units: An Idea Whose Time Has Come. [Invited editorial]

Hammond D. Addiction 2020; 115(7):1221-1222.

Availability, retail price, and potency of legal and illegal cannabis in Canada after recreational cannabis legalisation.

Mahamad S, Wadsworth E, Rynard V, Goodman S, Hammond D. Drug and Alcohol Review 2020; 39(4):337-346.

Does unit-dose packaging influence understanding of serving size information for cannabis edibles?

Goodman S, Hammond D. Journal of Studies on Alcohol and Drugs 2020; 81(2): 173-179.

Evaluating the impacts of cannabis legalization: The International Cannabis Policy Study.

Hammond D, Goodman S, Wadsworth E, Rynard V, Boudreau C, Hall W. Evaluating the impacts of cannabis legalization: The International Cannabis Policy Study. International Journal

Cannabis advertising, promotion and branding: Differences in consumer exposure between ‘legal’ and ‘illegal’ markets in Canada and the US.

Rup J, Goodman S, Hammond D. Preventive Medicine 2020: 133:106013.

Prevalence and forms of cannabis use in legal vs. illegal recreational cannabis markets.

Goodman S, Wadsworth E, Leos-Toro C, Hammond D. International Journal of Drug Policy 2020; 67:102658.

Cannabis labelling and consumer understanding of THC levels and serving sizes.

Leos-Toro C, Fong GT, Meyer SB, Hammond D. Drug and Alcohol Dependence 2020; 208: 107843.

Out-of-state cannabis purchases in the United States.

Wadsworth E, Hammond D. Drug and Alcohol Dependence 2020; 207: 107822.

Modes of delivery in concurrent nicotine and cannabis use (“co-use”) among youth: Findings from the International Tobacco Control (ITC) Survey.

Smith DM, Miller C, O’Connor RJ, Kozlowski LT, Wadsworth E, Fix BV, Collins RL, Wei B, Goniewicz ML, Hyland AJ, Hammond D. Substance Abuse 2021; 42(3):339-347.

Outbreak of pulmonary diseases linked to vaping. [Invited editorial]

Hammond D. British Medical Journal 2019; 366: l5445.

The prevalence of vaping and smoking as modes of delivery for nicotine and cannabis among youth in Canada, England and the United States.

Fataar F, Hammond D. International Journal of Environmental Research and Public Health 2019; 16(21): 4111.

Mental health and medical cannabis use among youth and young adults in Canada.

Wadsworth E, Leos-Toro C, Hammond D. Substance Use and Misuse 2020; 55(4): 582-589.

Differences in self-reported cannabis prices across purchase source and quantity purchased among Canadians.

Wadsworth E, Driezen P, Goodman S, Hammond D. Addiction Research and Theory 2020; 28(6): 474-483.

Communicating THC levels and ‘dose’ to consumers: implications for product labelling and packaging of cannabis products in regulated markets.

Hammond D. International Journal of Drug Policy 2021; 91: 102509.

Perceptions of effectiveness and believability of pictorial and text-only health warning labels for cannabis products among Canadian youth.

Leos-Toro C, Fong GT, Meyer SB, Hammond D. International Journal of Drug Policy 2019; 73: 24-31.

Risk perceptions of cannabis- vs. alcohol-impaired driving among Canadian young people.

Goodman S, Leos-Toro C, Hammond D. Drugs: Education, Prevention and Policy 2020; 27(3): 205-212

Characteristics of nicotine vaping products used by participants in the 2016 ITC Four Country Smoking and Vaping Survey.

O’Connor RJ, Fix BV, McNeill A, Goniewicz ML, Bansal-Travers M, Heckman BW, Cummings KM, Hitchman S, Borland R, Hammond D, Levy D, Gravely S, Fong

Methods to assess cannabis consumption in population surveys: results of cognitive interviewing.

Goodman S, Leos-Toro C, Hammond D. Qualitative Health Research 2019; 29(10): 1474-1482.

Trends in cannabis use over time among Canadian youth: 2004-2014.

Leos Toro C, Rynard V, Murnaghan D, MacDonald J, Hammond D. Preventive Medicine 2019; 118: 30-37.

International differences in patterns of cannabis use among youth: Prevalence, perceptions of harm, and driving under the influence in Canada, England & United States.

Wadsworth E, Hammond D. Addictive Behaviors 2019; 90: 171-175.

Differences in patterns of cannabis use among youth: Prevalence, perceptions of harm, and driving under the influence in the United States where non-medical cannabis markets have been established, proposed & prohibited.

Wadsworth E, Hammond D. Drug & Alcohol Review 2018; 37(7):903-911.

Perceived support for medical cannabis use among approved medical cannabis users in Canada.

Leos-Toro C, Shiplo S, Hammond D. Drug & Alcohol Review 2018; 37:627-636.

Prevalence of problematic cannabis use in Canada: Cross-sectional findings from the 2013 Canadian Tobacco, Alcohol and Drugs Survey.

Leos-Toro C, Rynard V, Hammond D. Canadian Journal of Public Health 2017; 108(5-6): e516-e522.

Under the influence: A cross-sectional examination of prevalence and correlates of alcohol and marijuana consumption in relation to youth driving and passenger behaviours in Canada from 2014/2015 CSTADS.

Minaker L, Leos-Toro C, Wild C, Elton-Marshal T, Bonham A, Hammond D. Canadian Medical Association Journal – Open 2017; 5(2): E386-E394.

Medical Marijuana Use in Canada: Vapourization and Modes of Delivery.

Shiplo S, Asbridge M, Leatherdale SL, Hammond D. Harm Reduction Journal 2016; 107(3): e296–e302.

A cross-sectional examination of medicinal substance abuse and use of nonmedicinal substances among Canadian youth: Findings from the 2012-2013 Youth Smoking Survey.

Leos-Toro C, Hammond D, Manske S. Canadian Medical Association Journal – Open 2015;3(4):e387-e394.

Illicit substance use among Canadian youth: Trends between 2002 and 2008.

Hammond D, Ahmed R, Burkhalter R, Sae Yang W, Leatherdale S. Canadian Journal of Public Health 2011; 102(1): 7-12.

Alcohol, marijuana, and tobacco use patterns among youth in Canada.

Leatherdale ST, Hammond D, Ahmed R. Cancer Causes and Control 2008; 19(4):361-9.

Marijuana and tobacco use among young adults in Canada: are they smoking what we think they are smoking?

Leatherdale S, Hammond D, Kaiserman MJ, Ahmed R. Cancer Causes & Control 2007; 18(4):391-7.

Cannabis consumption among adults aged 55-65 in Canada, 2018-2021.

Wadsworth E, Cristiano N, Gabrys R, Renard J, Hammond D. Journal of Drug Issues 2023; Doi: 10.1177/00220426231190022

Evaluating impact of cannabis legalization in Canada: initial outcomes and current trends.

Hammond D. Addiction 2023; 118(11):2073-2075. [Invited Editorial]

Distribution of legal retail cannabis stores in Canada by neighbourhood deprivation.

Fataar F, Driezen P, Owusu-Bempah A, Hammond D. Journal of Cannabis Research 2024; 6(1):5.