Nicotine - Wikipedia
Nicotine is a naturally produced alkaloid in the nightshade family of plants (most predominantly in tobacco and Duboisia hopwoodii) [9] and is widely used recreationally as a stimulant and anxiolytic. As a pharmaceutical drug, it is used for smoking cessation to …
Nicotine: How It Works, Uses, Risks, Benefits - Verywell Health
2024年8月28日 · Nicotine is an addictive organic compound found in tobacco plants. It’s the chemical that makes smoking cigarettes, chewing tobacco, and vaping so hard to quit. Nicotine is associated with many health risks and problems. Tobacco is …
Nicotine Is Why Tobacco Products Are Addictive | FDA
2024年5月31日 · Nicotine is what keeps people using tobacco products. However, it’s the thousands of chemicals contained in tobacco and tobacco smoke that make tobacco use so deadly. Some of these chemicals,...
What Nicotine Does to Your Body - Verywell Mind
2024年8月12日 · In the long term, however, this highly addictive substance affects the body's cardiovascular, digestive, oral, reproductive, respiratory, and nervous systems in more sinister ways. This article discusses what nicotine does to the body.
Nicotine dependence - Symptoms and causes - Mayo Clinic
2022年4月19日 · Nicotine dependence occurs when you need nicotine and can't stop using it. Nicotine is the chemical in tobacco that makes it hard to quit. Nicotine produces pleasing effects in your brain, but these effects are temporary.
Nicotine: Facts, effects, and dependency - Medical News Today
2024年7月1日 · Nicotine is a substance found in all tobacco products and some e-cigarette liquids. It is a highly addictive substance that is naturally present in the tobacco plant. Laboratories can also...
Nicotine | Tobacco, Addiction, Poison | Britannica
2024年8月30日 · Nicotine is the chief addictive ingredient in the tobacco used in cigarettes, cigars, and snuff. In its psychoactive effects, nicotine is a unique substance with a biphasic effect; when inhaled in short puffs it has a stimulant effect, but when smoked in deep drags it can have a tranquilizing effect.
Nicotine - American Lung Association
Nicotine is the addictive drug in tobacco products. Cigarettes, cigars, smokeless tobacco and nearly all e-cigarettes contain nicotine. The tobacco industry continuously develops and markets new nicotine-containing products.
Nicotine Poisoning: Symptoms, Causes, Treatment & Prevention
2021年10月25日 · Nicotine poisoning is the result of having too much nicotine in your body. Until recently, nicotine poisoning was rare. Most cases resulted from the use of nicotine as an insecticide, accidental ingestion of tobacco or ingestion of nicotine-containing plants.
How Smoking and Nicotine Damage Your Body
2024年1月5日 · Nicotine is a dangerous and highly addictive chemical. It can cause an increase in blood pressure, heart rate, flow of blood to the heart and a narrowing of the arteries (vessels that carry blood). Nicotine may also contribute to the hardening of the arterial walls, which in turn, may lead to a heart attack.