
Nicotine - Wikipedia
Nicotine is typically consumed through tobacco smoking, vaping, or other nicotine delivery systems. An average cigarette yields about 2 mg of absorbed nicotine, a dose sufficient to …
What Nicotine Is and How It Affects Your Body - Verywell Health
Dec 4, 2025 · Nicotine, a highly addictive stimulant found primarily in tobacco plants, plays a significant role in smoking addiction due to its effects on the brain's pleasure and reward …
What Nicotine Does to Your Body - Verywell Mind
Sep 24, 2025 · Nicotine increases heart rate and blood pressure, and long-term use can damage your heart and lungs. Overcoming nicotine addiction is hard, but therapy and nicotine …
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 (NicoDerm, Nicorette, and others): Uses, Side Effects
May 12, 2025 · Find patient medical information for Nicotine (NicoDerm, Nicorette, and others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user …
Nicotine benefits, dosage, and side effects - Examine
Aug 28, 2025 · Nicotine is the main stimulatory compound found in cigarettes and is now sold in vaporizers and patches in isolation. It works on the acetylcholine system, and is implicated in …
Nicotine dependence - Symptoms and causes - Mayo Clinic
Jun 14, 2025 · Nicotine is the chemical in tobacco that keeps you smoking tobacco. Nicotine reaches the brain within seconds of taking a puff. In the brain, nicotine increases the release of …
Nicotine | Tobacco, Addiction, Poison | Britannica
5 days ago · 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 …
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 …
Nicotine - American Lung Association
Nicotine is the addictive drug in tobacco products. Cigarettes, cigars, smokeless tobacco and nearly all e-cigarettes contain nicotine.