Smoking

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Nicotine Replacement Therapy (NRT)
Symptoms of nicotine withdrawal
can include physical symptoms (e.g., headache, sleep problems, tiredness, difficulty
concentrating, dizziness) and emotional symptoms (e.g., irritability, moodiness,
depression, anger, frustration, restlessness). These symptoms can last for a few
days or several weeks or more.

Although cigarette smoking results in an addiction to nicotine, it is also a
habit, or familiar routine. Nicotine replacement therapy (NRT) helps...Read the full article