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Health Tip: Signs of Nicotine Withdrawal

(HealthDay News) -- Nicotine typically is as addictive as heroin, says the University of California San Francisco.

Within minutes of smoking, the brain releases chemicals that give users a rush. Smokers then get hooked on this pleasant feeling. And when people stop smoking, withdrawal side effects commonly appear.

The school mentions these signs of nicotine withdrawal:

  • Anxiety or depression.

  • Cravings.

  • Difficulty concentrating.

  • Impaired performance.

  • Increased appetite and weight gain.

  • Irritability, frustration and anger.

  • Restlessness and impatience.

  • Sleep disturbances, such as insomnia or sleeping too much.

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