What is nicotine dependence?
Nicotine produces physical and mood-altering effects on one’s brain. It has such an impact on the brain, which is found to be temporarily pleasing, leading to dependence on tobacco. The pleasing property of nicotine dominate the withdrawal symptoms such as anxiety and irritability, making it more difficult to quit.
Nicotine dependence means addiction to tobacco and tobacco products caused by the drug nicotine. A person cannot stop using it, even though he/she knows that is harmful. Nicotine is a highly addictive substance, similar to heroin, cocaine, and alcohol. It is the most common form of chemical dependence in the U.S. Almost 20.6% of adults in the United States are smokers. That adds up to 46.6 million U.S. residents.