Nicotine is a highly addictive substance that occurs naturally in tobacco. It is the active ingredient in tobacco smoke. It has a pungent odor and an acrid taste. Nicotine is defined as a poisonous, oily, pale yellow substance that turns brown upon exposure to air. In concentrated form, nicotine is used as a potent insecticide. Did you know : there are over 4,000 chemicals in cigarette smoke? These include formaldehyde (used to preserve dead bodies), ammonia (used in strong cleaning liquids) and cadmium (a highly poisonous metal used in batteries).And if that isn’t reason enough for you to quit smoking, there are more.
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