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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. 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. …

  5. When marijuana is smoked, the active ingredient THC passes from the lungs and into the bloodstream, which carries the chemical to the organs throughout the body, including the brain.

  6. Cannabis Health Effects | Cannabis and Public Health | CDC

    Feb 16, 2024 · There are several risk factors and negative health outcomes associated with cannabis use.

  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. 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 …

  9. 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 …

  10. 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.