Tobacco products including cigarettes, cigars, chew, snuff. These are all known to cause cancer.
Nicotine patches, nicotine gum, electronic cigarettes which deliver nicotine through steam. These are safer and don't cause cancer.
Nicotine is: 3-[(2S)-1-methylpyrrolidin-2-yl]pyridine, C10H14N2
(cyclo-C5NH4)-(cyclo-C4N(CH3))
Structural formula of Nicotine can be found in 'Related links' just below this answer.
Nicotine is the natural product of tobacco and some other related plants.
The tobacco plant.
Nicotine is the chemical that causes addiction.
Nicotine
Nicotine causes addiction to smoking
Nicotine addiction.
Nicotine
Nicotine is a highly addictive substance that can lead to physical dependency. It can also increase heart rate and blood pressure, constrict blood vessels, and affect brain chemistry, leading to cravings and withdrawal symptoms when not consumed.
The nicotine is this compound.
Nicotine
nicotine
Nicotine.
Nicotine
An ingredient called nicotine is what is so addicting. Nicotine travels from the lungs, into the bloodstream, and directly to the brain from there, and nicotine causes the brain to demand more of the nicotine, causing the addiction in cigarettes.