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  1. Tetrahydrocannabinol - Wikipedia

    THC, also known pharmaceutically as dronabinol, is used medically to relieve chemotherapy-induced nausea, HIV/AIDS -related anorexia, and symptoms of multiple sclerosis, including …

  2. What Is THC and How Do Edibles Work? | Bon Appétit

    3 days ago · What is THC? THC “is the molecule produced by the cannabis plant that is responsible for most of its euphoric and therapeutic effects,” says Dr. Shields.

  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 …

  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. Cannabis Health Effects | Cannabis and Public Health | CDC

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

  6. 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.

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

    Jun 6, 2024 · 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.

  8. Medical Marijuana: Facts about cannabis, THC, and CBD - Harvard Health

    Medical Marijuana: Facts about cannabis, THC, and CBD Medical cannabis is available in more delivery methods than ever before, such as gummy bears, dried flowers, pills, lotions, drops …

  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. Substance use - marijuana: MedlinePlus Medical Encyclopedia

    May 4, 2024 · The main active ingredient in marijuana is THC (short for delta-9-tetrahydrocannabinol). This ingredient is found in the leaves and flowering parts of the …