Older Adults Using Cannabis as a Safer Alternative to Other Drugs

Baby Boomer cannabis users described intentionally substituting cannabis for alcohol, prescription drugs, and illicit substances, perceiving it as safer, less addictive, and more effective for symptom relief.

Lau, Nicholas et al.·Drug and alcohol review·2015·Preliminary EvidenceQualitative Study
RTHC-00997QualitativePreliminary Evidence2015RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
Qualitative Study
Evidence
Preliminary Evidence
Sample
Not reported

What This Study Found

Researchers conducted in-depth life history interviews with Baby Boomer (born 1946-1964) marijuana users in the San Francisco Bay Area to understand their harm reduction beliefs and substitution practices.

Participants described consciously choosing cannabis over alcohol, illicit drugs, and prescription medications. Their substitution decisions were based on three factors: perception of fewer adverse side effects, belief in lower addiction potential, and greater effectiveness at relieving symptoms like chronic pain.

The concept of substitution was defined as a deliberate choice to use one substance instead of or alongside another, based on perceived safety, addiction risk, symptom relief, access, and social acceptance.

Key Numbers

Participants were Baby Boomers (born 1946-1964); primary cannabis users with lifetime experience with other substances; San Francisco Bay Area sample

How They Did This

Qualitative study using semi-structured in-depth life history interviews with Baby Boomer cannabis users in the San Francisco Bay Area. Audio-recorded interviews were analyzed thematically alongside a questionnaire and health survey.

Why This Research Matters

This study frames cannabis substitution within harm reduction, a public health approach that recognizes abstinence is not always realistic or desired. For older adults managing chronic conditions, intentional substance substitution may represent a practical risk-reduction strategy.

The Bigger Picture

As more states legalize cannabis and the population of older adult users grows, understanding intentional substitution patterns is important for both clinical care and policy. Cannabis substitution for opioids has become a particularly active area of research.

What This Study Doesn't Tell Us

Qualitative design reflects perceptions rather than measured outcomes. San Francisco Bay Area sample may not represent other regions. Self-selected participants who are primary cannabis users may have positive bias. No objective comparison of safety profiles.

Questions This Raises

  • ?Does cannabis substitution actually reduce overall harm, or does it add another substance to the mix?
  • ?How do clinicians factor patient substitution preferences into treatment plans?
  • ?Would these patterns hold in populations with less access to cannabis?

Trust & Context

Key Stat:
Substitution based on: fewer side effects, lower addiction risk, better symptom relief
Evidence Grade:
Qualitative study capturing user perspectives. Valuable for understanding motivations but cannot verify whether cannabis is objectively safer than the substances it replaces.
Study Age:
Published in 2015. Cannabis legalization and the opioid crisis have since dramatically changed the substitution landscape.
Original Title:
A safer alternative: Cannabis substitution as harm reduction.
Published In:
Drug and alcohol review, 34(6), 654-9 (2015)
Database ID:
RTHC-00997

Evidence Hierarchy

Meta-Analysis / Systematic Review
Randomized Controlled Trial
Cohort / Case-Control
Cross-Sectional / ObservationalSnapshot without intervening
This study
Case Report / Animal Study

Uses interviews or focus groups to understand experiences in depth.

What do these levels mean? →

Frequently Asked Questions

Is cannabis actually safer than the drugs people substitute it for?

This study captured user perceptions, not objective safety comparisons. Cannabis does have a lower acute overdose risk than opioids and alcohol, but long-term safety comparisons depend on the specific substances, doses, and individual health factors involved.

What is harm reduction?

Harm reduction is a set of strategies that aim to minimize negative consequences of drug use while acknowledging that some people are unable or unwilling to stop using substances entirely. It prioritizes reducing risk rather than requiring abstinence.

Read More on RethinkTHC

Cite This Study

RTHC-00997·https://rethinkthc.com/research/RTHC-00997

APA

Lau, Nicholas; Sales, Paloma; Averill, Sheigla; Murphy, Fiona; Sato, Sye-Ok; Murphy, Sheigla. (2015). A safer alternative: Cannabis substitution as harm reduction.. Drug and alcohol review, 34(6), 654-9. https://doi.org/10.1111/dar.12275

MLA

Lau, Nicholas, et al. "A safer alternative: Cannabis substitution as harm reduction.." Drug and alcohol review, 2015. https://doi.org/10.1111/dar.12275

RethinkTHC

RethinkTHC Research Database. "A safer alternative: Cannabis substitution as harm reduction..." RTHC-00997. Retrieved from https://rethinkthc.com/research/lau-2015-a-safer-alternative-cannabis

Access the Original Study

Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.

This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.