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Magno LAV, Tameirão DR, Alves LF, Guimarães NS. Effect of recreational cannabis use on bone mineral density: a systematic review. Osteoporos Int 2024; 35:391-399. [PMID: 38141142 DOI: 10.1007/s00198-023-06992-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 11/29/2023] [Indexed: 12/24/2023]
Abstract
The recreational use of cannabis products has risen considerably worldwide over the past decade. As the cannabis legal market grows, a critical challenge has been to make substantiated claims about the benefits and adverse health problems triggered by cannabis exposure. Despite accumulating evidence from animal studies demonstrating the role of cannabinoids on bone metabolism, there are conflicting results in clinical literature regarding their effects on bone health outcomes.We undertook a systematic review to assess the evidence for the safety of cannabis use on bone health. We searched the databases MEDLINE, EMBASE, Cochrane Library, and Web of Science up to March 2023 for studies evaluating the effect of the recreational use of cannabis on the bone mineral density (BMD) of adults.Among the 2620 studies reviewed, three cross-sectional studies and one randomized controlled trial comprised 4032 participants from 18 to 60 years who met the inclusion criteria. Two studies showed that cannabis exposure decreased BMD, while the other 2 indicated no alteration. Despite the different study designs, the included studies showed a low risk of bias according to the Joanna Briggs Institute tool.Eligible studies present differences in cannabis products, administration routes, and exposure determination. Further longitudinal research is needed to establish multiple clinical predictors associated with potentially negative consequences of cannabis exposure, especially in vulnerable populations such as elderly individuals.
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Affiliation(s)
- Luiz Alexandre Viana Magno
- Programa de Pós-Graduação em Ciências da Saúde (PPGCS), Faculdade Ciências Médicas de Minas Gerais (FCMMG), Alameda Ezequiel Dias, 275, Belo Horizonte, 30130-110, Brazil
| | - Diego Ribeiro Tameirão
- Programa de Pós-Graduação em Ciências da Saúde (PPGCS), Faculdade Ciências Médicas de Minas Gerais (FCMMG), Alameda Ezequiel Dias, 275, Belo Horizonte, 30130-110, Brazil
- Observatório de Pesquisas E Extensão Em Nutrição E Saúde (OPeNS), Belo Horizonte, Brazil
| | - Lucas Ferreira Alves
- Curso de Medicina, Faculdade Ciências Médicas de Minas Gerais (FCMMG), Belo Horizonte, Brazil
| | - Nathalia Sernizon Guimarães
- Programa de Pós-Graduação em Ciências da Saúde (PPGCS), Faculdade Ciências Médicas de Minas Gerais (FCMMG), Alameda Ezequiel Dias, 275, Belo Horizonte, 30130-110, Brazil.
- Observatório de Pesquisas E Extensão Em Nutrição E Saúde (OPeNS), Belo Horizonte, Brazil.
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Olderbak S, Möckl J, Manthey J, Lee S, Rehm J, Hoch E, Kraus L. Trends and projection in the proportion of (heavy) cannabis use in Germany from 1995 to 2021. Addiction 2024; 119:311-321. [PMID: 37816631 DOI: 10.1111/add.16356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 08/07/2023] [Indexed: 10/12/2023]
Abstract
AIMS To measure the current trends of cannabis use in Germany, measure trends in the proportion of heavy cannabis users and estimate future cannabis use rates. DESIGN Repeated waves of the Epidemiological Survey on Substance Abuse, a cross-sectional survey conducted between 1995 and 2021 with a two-stage participant selection strategy where respondents completed a survey on substance use delivered through the post, over the telephone or on-line. SETTING Germany. PARTICIPANTS/CASES German-speaking participants aged between 18 and 59 years living in Germany who self-reported on their cannabis use in the past 12 months (n = 78 678). With the application of a weighting scheme, the data are nationally representative. MEASUREMENTS Questions on the frequency of cannabis use in the past 12 months and self-reported changes in frequency of use due to the COVID-19 pandemic. FINDINGS The prevalence of past 12-month cannabis users increased from 4.4% [95% confidence interval (CI) = 3.7, 5.1] in 1995 to 10.0% (95% CI = 8.9, 11.3) in 2021. Modeling these trends revealed a significant increase that accelerated over the past decade. The proportion of heavy cannabis users [cannabis use (almost) daily or at least 200 times per year] among past-year users has remained steady from 1995 (11.4%, 95% CI = 7.7, 16.5) to 2018 (9.5%, 95% CI = 7.6, 11.9), but significantly increased to 15.7% (95% CI = 13.1, 18.8) in 2021 during the COVID-19 pandemic. Extrapolating from these models, the prevalence of 12-month cannabis users in 2024 is expected to range between 10.4 and 15.0%, while the proportion of heavy cannabis users is unclear. CONCLUSIONS Trends from 1995 to 2021 suggest that the prevalence of past 12-month cannabis users in Germany will continue to increase, with expected rates between 10.4 and 15.0% for the German-speaking adult population, and that at least one in 10 cannabis users will continue to use cannabis heavily (almost daily or 200 + times in the past year).
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Affiliation(s)
| | - Justin Möckl
- IFT Institut für Therapieforschung, Munich, Germany
- Department of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilians-Universität Munich, Munich, Germany
| | - Jakob Manthey
- Department of Psychiatry and Psychotherapy, Center for Interdisciplinary Addiction Research (ZIS), University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Department of Psychiatry, Faculty of Medicine, University of Leipzig, Leipzig, Germany
| | - Sara Lee
- IFT Institut für Therapieforschung, Munich, Germany
| | - Jürgen Rehm
- Department of Psychiatry and Psychotherapy, Center for Interdisciplinary Addiction Research (ZIS), University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Centre for Addiction and Mental Health, Institute for Mental Health Policy Research and Campbell Family Mental Health Research Institute, Toronto, Canada
- Department of Psychiatry, University of Toronto, Toronto, Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, Canada
- Program on Substance Abuse and WHO CC, Public Health Agency of Catalonia, Barcelona, Spain
| | - Eva Hoch
- IFT Institut für Therapieforschung, Munich, Germany
- Department of Psychiatry and Psychotherapy, University Hospital, Ludwig-Maximilians-Universität Munich, Munich, Germany
| | - Ludwig Kraus
- IFT Institut für Therapieforschung, Munich, Germany
- Department of Public Health Sciences, Centre for Social Research on Alcohol and Drugs, Stockholm University, Stockholm, Sweden
- Institute of Psychology, ELTE Eötvös Loránd University, Budapest, Hungary
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Music J, Sterling B, Charlebois S, Goedhart C. Comparison of perceptions in Canada and USA regarding cannabis and edibles. J Cannabis Res 2024; 6:1. [PMID: 38167591 PMCID: PMC10763328 DOI: 10.1186/s42238-023-00213-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 12/19/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND Canada took a national approach to recreational cannabis that resulted in official legalization on October 17, 2018. In the United States (US), the approach has been more piecemeal, with individual states passing their own laws regulating adult use. The objective of this study was to compare the two jurisdictions. METHODS Two exploratory, quantitative surveys were administered in May of 2021 in both Canada and the US. One thousand forty-seven Canadian and 1037 US residents (age 19 and older) were surveyed on approaches to and attendant regulations of consumer cannabis. Tests of significance were performed to analyze differences between two groups. RESULTS No statistically significant differences exist between the two countries in terms of cannabis legalization acceptance. Usage rates among adults was similar with 45% of Canadians and 42% of Americans confirming they consume cannabis. Respondents maintain that they intend to increase their usage, with edibles attracting a rising level of interest from consumers. CONCLUSIONS Results suggest that public policy in both Canada and the USA needs to change to reflect rapidly evolving acceptance of cannabis products in North America to realize potential economic returns.
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Affiliation(s)
- Janet Music
- Faculty of Arts & Social Sciences, Dalhousie University, Halifax, NS, Canada.
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Fink DS, Malte C, Cerdá M, Mannes ZL, Livne O, Martins SS, Keyhani S, Olfson M, McDowell Y, Gradus JL, Wall MM, Sherman S, Maynard CC, Saxon AJ, Hasin DS. Trends in Cannabis-positive Urine Toxicology Test Results: US Veterans Health Administration Emergency Department Patients, 2008 to 2019. J Addict Med 2023; 17:646-653. [PMID: 37934524 PMCID: PMC10766071 DOI: 10.1097/adm.0000000000001197] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/09/2023]
Abstract
OBJECTIVES This study aimed to examine trends in cannabis-positive urine drug screens (UDSs) among emergency department (ED) patients from 2008 to 2019 using data from the Veterans Health Administration (VHA) health care system, and whether these trends differed by age group (18-34, 35-64, and 65-75 years), sex, and race, and ethnicity. METHOD VHA electronic health records from 2008 to 2019 were used to identify the percentage of unique VHA patients seen each year at an ED, received a UDS, and screened positive for cannabis. Trends in cannabis-positive UDS were examined by age, race and ethnicity, and sex within age groups. RESULTS Of the VHA ED patients with a UDS, the annual prevalence positive for cannabis increased from 16.42% in 2008 to 27.2% in 2019. The largest increases in cannabis-positive UDS were observed in the younger age groups. Male and female ED patients tested positive for cannabis at similar levels. Although the prevalence of cannabis-positive UDS was consistently highest among non-Hispanic Black patients, cannabis-positive UDS increased in all race and ethnicity groups. DISCUSSION The increasing prevalence of cannabis-positive UDS supports the validity of previously observed population-level increases in cannabis use and cannabis use disorder from survey and administrative records. Time trends via UDS results provide additional support that previously documented increases in self-reported cannabis use and disorder from surveys and claims data are not spuriously due to changes in patient willingness to report use as it becomes more legalized, or due to greater clinical attention over time.
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Affiliation(s)
- David S Fink
- From the New York State Psychiatric Institute, New York, NY (DSF, ZLM, OL, MMW, DSH); Health Services Research & Development (HSR&D) Seattle Center of Innovation for Veteran-Centered and Value-Driven Care, Veterans Affairs Puget Sound Health Care System, Seattle, WA (CM, CCM, AJS); Center of Excellence in Substance Addiction Treatment and Education, VA Puget Sound Health Care System, Seattle, WA (CM, YM, AJS); New York University, New York, NY (MC, SS); Columbia University Mailman School of Public Health, New York, NY (SSM, DSH); San Francisco VA Health System, San Francisco, CA (SK); University of California at San Francisco, San Francisco, CA (SK); Columbia University Irving Medical Center, New York, NY (MO, MMW, DSH); Boston University School of Public Health, Boston, MA (JLG); VA Manhattan Harbor Healthcare, New York, NY (SS); University of Washington, Seattle, WA (CCM); and University of Washington School of Medicine, Seattle, WA (AJS)
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Oster B, Hameed D, Bains SS, Delanois RE, Johnson AJ, Nace J, Mont MA. Tobacco and Cannabis Use Have a Synergistic Association on Infection Risk Following Total Knee Arthroplasty. J Arthroplasty 2023; 38:2137-2141. [PMID: 37142070 DOI: 10.1016/j.arth.2023.04.053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 04/05/2023] [Accepted: 04/20/2023] [Indexed: 05/06/2023] Open
Abstract
BACKGROUND Studies suggest an increase in the number of combined users of tobacco and cannabis. Therefore, we specifically assessed tobacco, cannabis, and combined users who underwent primary total knee arthroplasty (TKA) to determine 90-day to 2-year: (1) odds of periprosthetic joint infection; (2) odds of revision; and (3) medical complications. METHODS We queried a national, all payer database of patients undergoing primary TKA between 2010 and 2020. Patients were stratified according to current use of tobacco products (n = 30,000), cannabis (n = 400), or a combination (n = 3,526). These were defined according to International Classification of Disease codes, Ninth and Tenth Editions. Patients were tracked from the 2 years before TKA through 2 years afterwards. A fourth group of TKA recipients who did not have tobacco nor cannabis use was used as a matching cohort. Periprosthetic joint infections (PJIs), revisions, and other medical/surgical complications from 90 days through 2 years were evaluated between these cohorts using bivariate analyses. Multivariate analyses assessed independent risk factors for PJI at 90 days through 2 years, adjusted for patient demographics and health metrics. RESULTS Combined tobacco and cannabis use were associated with the highest rates of PJI following TKA. The odds of 90-day PJI risk among cannabis, tobacco, and combined users was 1.60, 2.14, and 3.39, respectively, as compared to the matched cohort (P < .001). Co-users had the highest and significantly increased revision odds at 2 years following TKA (odds ratio = 1.52, 95% confidence interval, 1.15 to 2.00). At 1 and 2 years following TKA, cannabis, tobacco, and co-users had higher rates of myocardial infarctions, respiratory failures, surgical site infections, and manipulations under anesthesia when compared to the matched cohort (all P < .001). CONCLUSION Tobacco and cannabis use before primary TKA demonstrated a synergistic association on PJI risk from 90 days through 2 years. Although the harms of tobacco use are well-known, this additional knowledge about cannabis should be incorporated in the shared decision-making discussions in the pre-operative setting to best prepare for expected risks following primary TKA.
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Affiliation(s)
- Brittany Oster
- Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, Maryland
| | - Daniel Hameed
- LifeBridge Health, Sinai Hospital of Baltimore, Rubin Institute for Advanced Orthopedics, Baltimore, Maryland
| | - Sandeep S Bains
- LifeBridge Health, Sinai Hospital of Baltimore, Rubin Institute for Advanced Orthopedics, Baltimore, Maryland
| | - Ronald E Delanois
- LifeBridge Health, Sinai Hospital of Baltimore, Rubin Institute for Advanced Orthopedics, Baltimore, Maryland
| | - Aaron J Johnson
- Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, Maryland
| | - James Nace
- LifeBridge Health, Sinai Hospital of Baltimore, Rubin Institute for Advanced Orthopedics, Baltimore, Maryland
| | - Michael A Mont
- LifeBridge Health, Sinai Hospital of Baltimore, Rubin Institute for Advanced Orthopedics, Baltimore, Maryland
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