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  1. 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 …

  2. Nicotine: How It Works, Uses, Risks, Benefits - Verywell Health

    Oct 13, 2025 · 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. …

  3. 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 …

  4. Nicotine: Facts, effects, and dependency - Medical News Today

    Jul 1, 2024 · Nicotine is a highly addictive substance found in tobacco products and can be the reason many people consume tobacco. It may cause side effects such as dizziness, racing …

  5. Nicotine Is Why Tobacco Products Are Addictive | FDA

    Nicotine keeps people using tobacco products, even when they want to stop. Learn more about nicotine and its effects from CTP.

  6. Nicotine Is Dangerous, No Matter How It’s Used - Oklahoma.gov

    Nov 17, 2025 · Nicotine pouches and vapes are relatively new tobacco products, but they are simply the latest way to deliver an old, addictive drug — nicotine. No matter how it’s used, …

  7. 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 …

  8. 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 …

  9. Nicotine | Tobacco, Addiction, Poison | Britannica

    Sep 26, 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; …

  10. Nicotine Addiction and Smoking: Health Effects and Interventions ...

    Aug 8, 2024 · Nicotine initially provides a calming effect; thus is used as a stress reliever and taking a smoking break during activities can also be used as a coping mechanism; however, …