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Nicotine is a natural ingredient in tobacco. Nicotine is a powerful drug that causes addiction. After taking a puff, in seconds, nicotine travels through the blood stream from the lungs to brain. Nicotine binds to nicotine receptors in the brain and causes the release of neurotransmitters dopamine, norepinephrine, etc.

 

The immediate effects of nicotine is what makes a smoker continue smoking. Therefore, quit is not easy as many may think. Quit is an individualized experience. It involves physical and psychological changes and adapting to these changes can be challenging. A smoker may try up to 5 times until a successful quit is achieved