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cannabidiol
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Map of the United States displaying the legal status of marijuana by state as of late 2024. States where marijuana is legal for adult use are shaded green, states where it is illegal are shaded orange, and states with conditionally decriminalized possession are marked with a lighter orange. Additional symbols indicate where marijuana is legal for medicinal use or where only low-THC medicinal use is permitted.

cannabidiol: References & Edit History

Article Contributors

Primary Contributors

  • Kara Rogers
    Kara Rogers is the senior editor of biomedical sciences at Encyclopædia Britannica, where she oversees a range of content from medicine and genetics to microorganisms. She joined Britannica in 2006 and has been a member of the National Association of Science Writers since 2009.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Add new Web site: Alcohol and Drug Foundation - CBD (Cannabidiol). Nov 08, 2026
Add new Web site: VeryWell Mind - CBD vs. THC: What’s the Difference? Jul 18, 2026
Add new Web site: Frontiers - Frontiers in Pharmacology - Cannabidiol and brain function: current knowledge and future perspectives. May 21, 2026
Add new Web site: ACS Publications - Photochemistry of Cannabidiol (CBD) Revised. A Combined Preparative and Spectrometric Investigation. Apr 10, 2026
Add new Web site: National Center for Biotechnology Information - PubMed Central - An Overview of Cannabidiol as a Multifunctional Drug: Pharmacokinetics and Cellular Effects. Nov 28, 2025
Link added. Mar 01, 2025
New article added. Jan 15, 2025
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