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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 medical use approved in …

  2. THCA vs THC: What’s the Difference and Why It Matters

    4 days ago · Learn how THCA and THC differ, how heat changes their effects, and what to know about consumption, potency, and legality.

  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. 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.

  5. The Effects, Risks and Side Effects of Marijuana (Weed, Cannabis, THC)

    Sep 9, 2025 · The higher the THC amount, the stronger the effects on the brain—likely contributing to increased rates of marijuana-related emergency room visits. While there is no research yet on how …

  6. 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. Also known …

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

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

  8. How Much THC Is Risky? Research Flags the CUD Threshold

    1 day ago · Using standard THC units, researchers identified weekly consumption thresholds beyond which the risk for cannabis use disorder increases in adults and adolescents.

  9. 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 …

  10. Understanding THC: What It Is and How It Affects You

    Jun 9, 2025 · When it comes to cannabis, one of the most frequently asked questions is: what is THC? Whether you’re a seasoned cannabis connoisseur or a curious first-timer, understanding THC —its …