Effects on smokers include health risks and addiction.

Smokers report a variety of physical and psychological effects from smoking tobacco. Those new to smoking will experience nausea, dizziness, and rapid heart beat. The negative symptoms will eventually vanish over time, with repeated use, as the body builds a tolerance to the nicotine. Nicotine can act as both a sedative and a stimulant. Pipe and cigar smokers usually experience more of the sedative/relaxation effect while cigarette smokers usually experience more of the stimulant effect.

In many respects, nicotine acts on the nervous system in a similar way to caffeine. Some writings have stated that smoking can also increase mental concentration.

Experienced smokers, when denied access to nicotine, will often exhibit symptoms such as irritability, dry mouth, and rapid heart beat. See addiction.

This page uses content from the Tobacco_smoking article on Wikipedia. The list of authors can be seen in the page history. As with the Quit Smoking Wikia, the text of Wikipedia is available under the GNU Free Documentation License.

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