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Related Experiment Video

Updated: Apr 14, 2026

Administration of &#916;9-Tetrahydrocannabinol (THC) in Adolescent and Adult Mice
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Responsible and controlled use: Older cannabis users and harm reduction.

Nicholas Lau1, Paloma Sales1, Sheigla Averill1

  • 1Centre for Substance Abuse Studies, Institute for Scientific Analysis, 390 Fourth Street, Second Floor, Suite D, San Francisco, CA 94107, USA.

The International Journal on Drug Policy
|April 26, 2015
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Summary

Older adults manage health and social risks of cannabis use through personal harm reduction strategies, contributing to its normalization. These user-led practices may be more effective than laws in reducing harm.

Keywords:
CannabisHarm reductionNormalizationOlder drug usersRisk

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Area of Science:

  • Sociology of drug use
  • Public health
  • Gerontology

Background:

  • Cannabis use is increasingly accepted socially.
  • Older adults navigate health, social, and legal risks associated with cannabis.
  • Zinberg's drug, set, and setting framework is applied to understand risk management.

Purpose of the Study:

  • To explore harm reduction strategies employed by older adult cannabis users.
  • To understand how users manage risks in a context of normalized cannabis use.

Main Methods:

  • Qualitative study of Baby Boomer cannabis users in the San Francisco Bay Area.
  • In-depth life history interviews and health surveys.
  • Analysis of user-identified cannabis harm reduction factors.

Main Results:

  • Harm reduction choices involved cannabis derivatives, administration routes, and usage contexts (when, where, with whom).
  • Users minimized harms to maintain social functioning and everyday life.
  • Responsible use included moderation, appropriate settings, and respect for non-users.

Conclusions:

  • Cultural practices and rituals define "normal" cannabis use among older adults.
  • User-led harm reduction contributes to cannabis normalization, potentially exceeding legal effectiveness.
  • Access to regulated markets (medical dispensaries) aids harm reduction.
  • Further research on cannabis culture and alternative administration routes is recommended.