This potent addictive chemical most widely known as an additive to cigarettes is a pale-yellow to dark-brown liquid with a slight fishy odor. Nicotine boils at 266 degrees C. It poisons by inhalation, skin absorption, ingestion, or eye contact.Nicotine stimulates and then depresses the brain and spinal cord. Skeletal muscles, including the diaphragm, are paralyzed. Initial burning of the mouth, throat, and stomach is followed rapidly by nausea, vomiting, diarrhea, disorientation, twitching...
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