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 …

Oct 31, 2023 · What is THC? THC is delta-9-tetrahydrocannabinol, the main psychoactive ingredient in the cannabis plant. It’s what makes you feel “high” when you smoke marijuana or eat an edible.

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.

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.

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 …

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 …

May 7, 2025 · With recreational use of marijuana now legal in 24 states, access to cannabis has soared in recent years. So too has its THC content—to potentially dangerous levels.

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.

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 …

Feb 13, 2026 · Tetrahydrocannabinol (THC) is the active ingredient present in all parts of both the male and female marijuana plants, but it is most concentrated in the resin (cannabin) in the flowering tops …