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Study breakdown

Many older California adults hesitated to tell their doctors about medical cannabis use

Mixed MethodsLow evidence
The takeaway

A mixed-methods study of older adults in California found significant reluctance to disclose medical cannabis use to healthcare providers, driven by stigma and fear of judgment despite legal status.

Geriatricians, primary care providers, medical cannabis programs, and older adults who use cannabis.

Significant non-disclosure of medical cannabis use among older adults despite legal status

What the researchers found

Older adults frequently did not disclose medical cannabis use to their primary care providers. Barriers included stigma, fear of judgment, perceived provider disapproval, and uncertainty about how disclosure would affect their care.

Why it matters

Non-disclosure of cannabis use creates safety risks, especially for older adults on multiple medications. If providers do not know about cannabis use, they cannot monitor for drug interactions or adjust treatment plans.

The numbers in context

California older adults surveyed and interviewed. Significant non-disclosure of medical cannabis use to primary care providers identified.

How the study worked

Mixed methods study (quantitative survey and qualitative interviews) investigating older adults' cannabis use behaviors and attitudes around disclosing medical cannabis use to healthcare providers in California.

What this study cannot tell us

California-specific findings in a legal state. Older adults willing to participate in research about cannabis may differ from non-participants. Self-report of disclosure behavior. Mixed methods provides depth but limited generalizability.

How to read the evidence

Mixed-methods study providing both quantitative and qualitative data. Limited by self-selection and single-state focus.

When this study was published

Published 2023.

The bigger picture

The stigma gap between legal status and social acceptance means many patients keep cannabis use private from the very providers who need to know. This undermines patient safety and prevents informed clinical decision-making.

Questions still open

  • Would provider-initiated cannabis screening in a non-judgmental framework improve disclosure rates? Do older adults in newly legalized states disclose less than those in long-legalized states?

Common questions

Should I tell my doctor I use cannabis?
Yes. This study found many older adults do not disclose cannabis use to their doctors, which creates safety risks. Cannabis interacts with many common medications, and older adults are particularly vulnerable to drug interactions. Providers need this information to provide safe care.
Why do older adults hide cannabis use from doctors?
Despite legalization, stigma persists. Participants in this study described fear of judgment, concern about how disclosure would affect their care, and uncertainty about provider attitudes. These barriers prevent the open communication needed for safe medication management.

Read the original research

Older Adults' Use of Cannabis and Attitudes Around Disclosing Medical Cannabis Use to Their Healthcare Providers in California: A Mixed Methods Study.

Drugs - real world outcomes, 11(4), 647-658

Citation

Abu Baker, Dania; Cruz Rivera, Paola N; Narasimhan, Rekha; Nguyen, Nhi; Tibiriçá, Lize; Kepner, Wayne E; O'Malley, Pearse; Nguyen, Annie L; Moore, Alison A. (2024). Older Adults' Use of Cannabis and Attitudes Around Disclosing Medical Cannabis Use to Their Healthcare Providers in California: A Mixed Methods Study.. Drugs - real world outcomes, 11(4), 647-658. https://doi.org/10.1007/s40801-024-00451-0

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