What is the addictive drug found in tobacco?

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Study for the Glencoe Health Exam. Prepare with interactive flashcards and multiple-choice questions. Each question includes hints and detailed explanations. Get ready for your health exam!

Multiple Choice

What is the addictive drug found in tobacco?

Explanation:
Nicotine is the addictive drug found in tobacco. It acts on nicotinic acetylcholine receptors in the brain, triggering the release of dopamine and other neurotransmitters that create pleasure and reinforce tobacco use, leading to dependence. The rapid delivery when tobacco is smoked makes the brain quickly associate use with reward, which is why quitting can be so hard due to withdrawal and cravings. Tar is a harmful residue that damages the lungs and increases cancer risk, but it does not drive addiction. Caffeine and alcohol are separate substances that can be addictive, but they are not the addictive agent found in tobacco.

Nicotine is the addictive drug found in tobacco. It acts on nicotinic acetylcholine receptors in the brain, triggering the release of dopamine and other neurotransmitters that create pleasure and reinforce tobacco use, leading to dependence. The rapid delivery when tobacco is smoked makes the brain quickly associate use with reward, which is why quitting can be so hard due to withdrawal and cravings. Tar is a harmful residue that damages the lungs and increases cancer risk, but it does not drive addiction. Caffeine and alcohol are separate substances that can be addictive, but they are not the addictive agent found in tobacco.

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