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Is tobacco a drug?

April 26, 2017drug tobacco

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Is tobacco a drug?

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Contrary to what many people believe, tobacco is a drug. By definition, a drug is a nonfood substance that can cause changes in the function of the body and/or mind. Tobacco leaves contain a complex mixture of chemicals that affect the body in many ways. Nicotine is one of the main ingredients in tobacco. It is a drug that occurs naturally in the tobacco leaf, acting paradoxically as both a stimulant and a depressant. It is the substance that causes the craving for tobacco. Nicotine can kill a person when taken in high concentrations all at once. Its action on the cardiovascular system, increasing cardiac output and raising blood pressure, probably contributes to the elevated risk of cardiovascular mortality in smokers.