Nicotine should never be taken by adolescents, pregnant women or people with heart conditions The best choice any smoker can make is to quit cigarettes and nicotine use altogether
Some imitate their friends or relatives
There are trace components of tobacco-specific nitrosamines and things that are harmful, but it's still much, much lower than chewing tobacco, for example

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If they are exposed to nicotine in their early years, then the nicotine from chewing tobacco may have already altered the structure and functions of various parts of their brain, which negatively impact their memory, attention, and learning
Weve had some isolated cases, Lafayette said