Is Nicotine All Bad?
Scientists question if a daily dose of the well-known alkaloid is as benign as caffeine
![Will a Nicotine Patch Make You Smarter? [Excerpt]](http://www.scientificamerican.com/sciam/cache/file/A9B189D2-A48A-4563-BB18C7D058046542_small.jpg)
By Kate Kelland
LONDON (Reuters) - Since he ditched Marlboro Lights five years ago, Daniel's fix is fruit-flavored nicotine gum that comes in neat, pop-out strips. He gets through 12 to 15 pieces a day and says he has "packets of the stuff" stashed all over. But he doesn't see himself as a nicotine addict.
Like many people, Daniel believes nicotine gum is far less harmful for him than smoking. Doctors worldwide agree. By giving up cigarettes, they say, Daniel has removed at least 90% of the health risks of his habit.
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