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Health education interventions to reduce cannabis and tobacco smoking-related harms among people who use cannabis: a systematic review.

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Title: Health education interventions to reduce cannabis and tobacco smoking-related harms among people who use cannabis: a systematic review.
Authors: Nottage, M K1 (AUTHOR), East, K2 (AUTHOR), Robson, D1 (AUTHOR), Freeman, T P3 (AUTHOR), Hines, L3 (AUTHOR), Stanbridge, R3 (AUTHOR), Walsh, H1 (AUTHOR), Brose, L3 (AUTHOR)
Source: Health Education Research. Jun2026, Vol. 41 Issue 3, p1-23. 23p.
Subject Terms: *Educational outcomes, *Psychoeducation, *Motivation (Psychology), *Health education, Competency assessment (Law), Substance abuse prevention, Smoking prevention, Health literacy, Smoking cessation, Medical information storage & retrieval systems, Motivational interviewing, Research funding, CINAHL database, Harm reduction, Systematic reviews, MEDLINE, Health behavior, Cannabis (Genus), Tobacco products
Abstract: Cannabis is commonly smoked and often co-used with tobacco, yet evidence on interventions to reduce smoking harms for people who use cannabis is limited. We systematically reviewed evidence on the efficacy and effectiveness of health education interventions (aiming to increase health literacy, knowledge, or motivation) in reducing cannabis smoking and tobacco smoking among people using cannabis. We searched five databases (inception–February 2025) for quantitative evaluations of health education interventions targeting cannabis use and reporting cannabis and/or tobacco smoking among people who use cannabis. Evidence from 32 studies was synthesized narratively, with risk of bias assessed using design-appropriate tools. Samples ranged from 15 to 10 781 participants, predominantly adolescents and young adults. Half evaluated interventions to prevent uptake, mostly school-based programmes, which showed mixed impact in reducing cannabis smoking. Half promoted quitting/reduction and provided some evidence that motivational interventions reduced cannabis smoking. Tobacco outcomes were rarely assessed (k  = 7) and largely null; risk of bias was high throughout. Overall, school-based preventive programmes showed mixed effects, while motivational interventions more consistently reduced cannabis but not tobacco smoking. Even modest effects may benefit public health, highlighting the need to clarify effective components, delivery settings, and to standardize measures for routes of administration and co-use. [ABSTRACT FROM AUTHOR]
Copyright of Health Education Research is the property of Oxford University Press / USA and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Education Research Complete
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DbLabel: Education Research Complete
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PubType: Academic Journal
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  Data: Health education interventions to reduce cannabis and tobacco smoking-related harms among people who use cannabis: a systematic review.
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  Data: <searchLink fieldCode="JN" term="%22Health+Education+Research%22">Health Education Research</searchLink>. Jun2026, Vol. 41 Issue 3, p1-23. 23p.
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  Data: *<searchLink fieldCode="DE" term="%22Educational+outcomes%22">Educational outcomes</searchLink><br />*<searchLink fieldCode="DE" term="%22Psychoeducation%22">Psychoeducation</searchLink><br />*<searchLink fieldCode="DE" term="%22Motivation+%28Psychology%29%22">Motivation (Psychology)</searchLink><br />*<searchLink fieldCode="DE" term="%22Health+education%22">Health education</searchLink><br /><searchLink fieldCode="DE" term="%22Competency+assessment+%28Law%29%22">Competency assessment (Law)</searchLink><br /><searchLink fieldCode="DE" term="%22Substance+abuse+prevention%22">Substance abuse prevention</searchLink><br /><searchLink fieldCode="DE" term="%22Smoking+prevention%22">Smoking prevention</searchLink><br /><searchLink fieldCode="DE" term="%22Health+literacy%22">Health literacy</searchLink><br /><searchLink fieldCode="DE" term="%22Smoking+cessation%22">Smoking cessation</searchLink><br /><searchLink fieldCode="DE" term="%22Medical+information+storage+%26+retrieval+systems%22">Medical information storage & retrieval systems</searchLink><br /><searchLink fieldCode="DE" term="%22Motivational+interviewing%22">Motivational interviewing</searchLink><br /><searchLink fieldCode="DE" term="%22Research+funding%22">Research funding</searchLink><br /><searchLink fieldCode="DE" term="%22CINAHL+database%22">CINAHL database</searchLink><br /><searchLink fieldCode="DE" term="%22Harm+reduction%22">Harm reduction</searchLink><br /><searchLink fieldCode="DE" term="%22Systematic+reviews%22">Systematic reviews</searchLink><br /><searchLink fieldCode="DE" term="%22MEDLINE%22">MEDLINE</searchLink><br /><searchLink fieldCode="DE" term="%22Health+behavior%22">Health behavior</searchLink><br /><searchLink fieldCode="DE" term="%22Cannabis+%28Genus%29%22">Cannabis (Genus)</searchLink><br /><searchLink fieldCode="DE" term="%22Tobacco+products%22">Tobacco products</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Cannabis is commonly smoked and often co-used with tobacco, yet evidence on interventions to reduce smoking harms for people who use cannabis is limited. We systematically reviewed evidence on the efficacy and effectiveness of health education interventions (aiming to increase health literacy, knowledge, or motivation) in reducing cannabis smoking and tobacco smoking among people using cannabis. We searched five databases (inception–February 2025) for quantitative evaluations of health education interventions targeting cannabis use and reporting cannabis and/or tobacco smoking among people who use cannabis. Evidence from 32 studies was synthesized narratively, with risk of bias assessed using design-appropriate tools. Samples ranged from 15 to 10 781 participants, predominantly adolescents and young adults. Half evaluated interventions to prevent uptake, mostly school-based programmes, which showed mixed impact in reducing cannabis smoking. Half promoted quitting/reduction and provided some evidence that motivational interventions reduced cannabis smoking. Tobacco outcomes were rarely assessed (k  = 7) and largely null; risk of bias was high throughout. Overall, school-based preventive programmes showed mixed effects, while motivational interventions more consistently reduced cannabis but not tobacco smoking. Even modest effects may benefit public health, highlighting the need to clarify effective components, delivery settings, and to standardize measures for routes of administration and co-use. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Health Education Research is the property of Oxford University Press / USA and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=ehh&AN=194516630
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1093/her/cyag016
    Languages:
      – Code: eng
        Text: English
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        PageCount: 23
        StartPage: 1
    Subjects:
      – SubjectFull: Educational outcomes
        Type: general
      – SubjectFull: Psychoeducation
        Type: general
      – SubjectFull: Motivation (Psychology)
        Type: general
      – SubjectFull: Health education
        Type: general
      – SubjectFull: Competency assessment (Law)
        Type: general
      – SubjectFull: Substance abuse prevention
        Type: general
      – SubjectFull: Smoking prevention
        Type: general
      – SubjectFull: Health literacy
        Type: general
      – SubjectFull: Smoking cessation
        Type: general
      – SubjectFull: Medical information storage & retrieval systems
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      – SubjectFull: Motivational interviewing
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      – SubjectFull: Research funding
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      – SubjectFull: CINAHL database
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      – SubjectFull: Harm reduction
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      – SubjectFull: Systematic reviews
        Type: general
      – SubjectFull: MEDLINE
        Type: general
      – SubjectFull: Health behavior
        Type: general
      – SubjectFull: Cannabis (Genus)
        Type: general
      – SubjectFull: Tobacco products
        Type: general
    Titles:
      – TitleFull: Health education interventions to reduce cannabis and tobacco smoking-related harms among people who use cannabis: a systematic review.
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            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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