
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.
Nicotine: How It Works, Uses, Risks, Benefits - Verywell Health
Aug 28, 2024 · 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 …
What Nicotine Does to Your Body - Verywell Mind
Aug 12, 2024 · Increased risk of heart disease, hypertension, premature aging, psychiatric disorders, and more: Learn what nicotine does to your body and how you can get help quitting this addictive stimulant.
Nicotine: Facts, effects, and dependency - Medical News Today
Jul 1, 2024 · 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 …
Nicotine dependence - Symptoms and causes - Mayo Clinic
Apr 19, 2022 · Nicotine is the chemical in tobacco that keeps you smoking. Nicotine reaches the brain within seconds of taking a puff. In the brain, nicotine increases the release of brain chemicals called neurotransmitters, which help regulate mood and behavior.
Nicotine Is Why Tobacco Products Are Addictive | FDA
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.
Nicotine | Tobacco, Addiction, Poison | Britannica
Feb 24, 2025 · 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: From Discovery to Biological Effects - PMC
Nicotine, the primary psychoactive agent in tobacco leaves, has led to the widespread use of tobacco, with over one billion smokers globally. This article provides a historical overview of tobacco and discusses tobacco dependence, as well as the ...
The double-edged nature of nicotine: toxicities and therapeutic ...
Nicotine is the primary addictive component of cigarette smoke and is associated with various smoking-related diseases. However, recent research has revealed its broader cognitive-enhancing and anti-inflammatory properties, suggesting its potential therapeutic applications in several conditions.
Nicotine | C10H14N2 | CID 89594 - PubChem
Nicotine appears as a colorless to light yellow or brown liquid. Combustible. Toxic by inhalation and by skin absorption. Produces toxic oxides of nitrogen during combustion. (S)-nicotine is a 3- (1-methylpyrrolidin-2-yl)pyridine in which the chiral centre has S-configuration.