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Related Experiment Video

Updated: Jul 27, 2025

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study
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Cannabis Is Not Doping.

Aderbal Silva Aguiar1

  • 1Laboratory of Exercise Biology, Department of Health Sciences, Federal University of Santa Catarina-UFSC, Araranguá, Brazil.

Cannabis and Cannabinoid Research
|June 6, 2023
PubMed
Summary

Cannabis and phytocannabinoids should be removed from the World Anti-Doping Agency (WADA) Prohibited List. Research shows cannabis offers no performance enhancement and poses minimal health risks to athletes.

Area of Science:

  • Sports Medicine
  • Pharmacology
  • Anti-Doping Science

Background:

  • The World Anti-Doping Agency (WADA) currently prohibits cannabis and its derivatives, classifying them as doping agents.
  • WADA's criteria for prohibited substances include performance enhancement (ergogenicity), health risks, or violation of the spirit of sport.
  • Cannabidiol (CBD) is the only cannabinoid currently excluded from the WADA Prohibited List.

Purpose of the Study:

  • To present an evidence-based argument for the delisting of cannabis and phytocannabinoids.
  • To critically evaluate the scientific basis for classifying cannabis as a doping substance.
  • To challenge the interpretation of 'spirit of sport' as applied to cannabis prohibition.

Main Methods:

  • Review of scientific literature on the ergogenic and health effects of cannabis in athletes.
Keywords:
cannabisdopingergogenicitysports

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  • Analysis of WADA's classification criteria and their application to cannabis.
  • Examination of the definition and implications of the 'spirit of sport' in anti-doping.

    • Main Results:

    • Cannabis is neither ergogenic nor ergolytic; it does not enhance athletic performance.
    • Existing research suggests that health risks associated with cannabis use in athletes are often overestimated.
    • The 'spirit of sport' criterion is ambiguously defined and applied, extending beyond performance and safety to moral policing.

    Conclusions:

    • Cannabis and phytocannabinoids do not meet WADA's established criteria for prohibited substances.
    • The current prohibition of cannabis contradicts scientific evidence regarding performance and health risks.
    • Revising the WADA Prohibited List to exclude cannabis and phytocannabinoids is recommended based on scientific evidence and a clearer definition of sport's objectives.