Search results
Results from the WOW.Com Content Network
Among the 250 known harmful chemicals in tobacco smoke, at least 69 can cause cancer." [7] [2] [8] [9] Although many of these additives are used in making cigarettes, each cigarette does not contain all of these additives. Some of these additives are found in cigarettes outside the USA too. [10] Some American brands are sold in other nations.
Chemical Amount (per cigarette) Acetaldehyde: 980 micrograms to 1.37 milligrams Acrylonitrile: formerly 1 to 2 milligrams. This product was used as a fumigant in tobacco. Its use has since been discontinued. 4-Aminobiphenyl: 0.2 to 23 nanograms o-Anisidine hydrochloride: unknown Arsenic: unknown Benzene: 5.9 to 75 micrograms Beryllium: 0.5 ...
Cannabis, [b] also known as marijuana[c] or weed, among other names, is a non-chemically uniform drug from the cannabis plant. Native to Central or South Asia, the cannabis plant has been used as a drug for both recreational and entheogenic purposes and in various traditional medicines for centuries.
This is an accepted version of this page This is the latest accepted revision, reviewed on 2 September 2024. Circumstances, mechanisms, and factors of tobacco consumption on human health "Health effects of smoking" and "Dangers of smoking" redirect here. For cannabis, see Effects of cannabis. For smoking crack cocaine, see Crack cocaine § Health issues. "Smoking and health" redirects here ...
US: Schedule II as Syndros, and Schedule III as Marinol [2] Schedule I delta-9 tetrahydrocannabinol in pure form. Tetrahydrocannabinol (THC) is a cannabinoid found in cannabis. [9] It is the principal psychoactive constituent of cannabis and one of at least 113 total cannabinoids identified on the plant.
Cannabis. Cannabis smoking (known colloquially as smoking weed or smoking pot) is the inhalation of smoke or vapor released by heating the flowers, leaves, or extracts of cannabis and releasing the main psychoactive chemical, Δ 9 - tetrahydrocannabinol (THC), which is absorbed into the bloodstream via the lungs.
Tobacco: Nicotiana tabacum. Nicotine is the key drug contained in tobacco leaves, which are either smoked, chewed or snuffed. It contains nicotine, which crosses the blood–brain barrier in 10–20 seconds. It mimics the action of the neurotransmitter acetylcholine at nicotinic acetylcholine receptors in the brain and the neuromuscular junction.
A dried cannabis flower. The short-term effects of cannabis are caused by many chemical compounds in the cannabis plant, including 113 [clarification needed] different cannabinoids, such as tetrahydrocannabinol (THC), and 120 terpenes, [1] which allow its drug to have various psychological and physiological effects on the human body.