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Can second- and third-hand smoke lead to nicotine addiction?

Second- and third-hand smoke most likely will not lead to nicotine addiction, but exposing children to smoking increases the likelihood that the child will begin smoking. Several studies have found links that children who are exposed to smoking are more likely to begin smoking. Nicotine is a substance that must act directly on the brain to create an addiction. Second- and third-hand smoke exposes you to many harmful toxins that lead to disease, but since the nicotine stays with the smoker, exposure may not be enough to lead to an addiction.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.