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  1. Tetrahydrocannabinol - Wikipedia

    While human overdose is rare, THC can interact with other drugs and has a complex pharmacokinetic profile. THC is classified variably under international and US law, with …

  2. Delta-9-Tetrahydrocannabinol: What to Know About THC

    Dec 21, 2025 · THC, or delta-9-tetrahydrocannabinol, is the best-known psychoactive compound found in marijuana. Learn more about the effects, medicinal uses, and risks of THC.

  3. What is THC? Benefits, uses, and safety - Leafwell

    Oct 8, 2025 · THC is short for tetrahydrocannabinol. It’s the main compound in cannabis, responsible for the intoxicating “high” you may feel when you consume some cannabis products.

  4. 5 Benefits and 8 Risks of Marijuana (Cannabis) - Health

    Dec 18, 2025 · Marijuana can have benefits for anxiety and chronic pain. However, high THC levels may lead to addiction and increase your risk of a heart attack.

  5. Delta-9-Tetrahydrocannabinol (THC) - WebMD

    THC works by binding to specific sites in the brain and on the nerves. It's found in the highest levels in the leaves and flowers of the plant. THC is commonly used as a recreational drug.

  6. Tetrahydrocannabinol (THC): Everything You Need To Know

    Jan 5, 2024 · THC, or tetrahydrocannabinol, is the primary psychoactive compound in cannabis, responsible for the plant’s euphoric effects. When consumed, THC interacts with receptors in …

  7. Cannabis (Marijuana) and Cannabinoids: What You Need To Know

    The word “marijuana” refers to parts of or products from the plant Cannabis sativa that contain substantial amounts of tetrahydrocannabinol (THC). THC is the substance that’s primarily …

  8. Tetrahydrocannabinol (THC) | Britannica

    Dec 11, 2025 · Tetrahydrocannabinol (THC), active constituent of marijuana and hashish that was first isolated from the Indian hemp plant (Cannabis sativa) and synthesized in 1965.

  9. THC products provide small improvements in pain but carry side …

    Dec 23, 2025 · A new systematic evidence review finds that cannabis products that carry relatively high levels of the psychoactive compound tetrahydrocannabinol, commonly known …

  10. Understanding THC: What Is THC & Its Effects | Body and Mind

    Mar 4, 2025 · Tetrahydrocannabinol (THC) is the primary psychoactive compound produced by the Cannabis Sativa plant species, which means it is the cornerstone of cannabis’s effects. …