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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. 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. 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 …

  4. 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.

  5. 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 …

  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 the …

  7. What is THC? Which products experts deem safer - USA TODAY

    Jul 9, 2024 · Tetrahydrocannabinol, known colloquially as THC, isn't new. But as of late, more lawmakers move to legalize and decriminalize possession and use of marijuana and more medical …

  8. Cannabis (Marijuana) | National Institute on Drug Abuse (NIDA)

    Sep 24, 2024 · The plant has many different chemical compounds, including tetrahydrocannabinol (THC), which has intoxicating—mind altering—effects. Cannabis products with THC can cause …

  9. 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.

  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 …