What's in a Cigarette?

Cigarettes pose significant health risks, containing over 4000 chemicals, including carcinogens. Smoking can lead to serious diseases and is responsible for the death of half of long-term users. Despite these dangers, nicotine's addictive properties make quitting difficult. Nicotine stimulates the brain, increasing dopamine levels, which creates pleasure and reward sensations, leading to addiction.

How much tar can smoking 20 cigarettes a day deposit in the lungs each year?

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What are the potential side effects of smoking?

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