indian tobacco medicinal uses Use by Native North Americans Nicotiana rustica - Wikipedia
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Developing brains and bodies are at higher risk from secondhand smoke exposure

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But tobacco critics complained that Next actually had higher tar levels than many cigarettes, and that heavy smokers would simply smoke more Next cigarettes to give their bodies the nicotine they crave

However, rapid spikes may reinforce dependency patterns if used long term

Health consequences of using smokeless tobacco: summary of the Advisory Committee's report to the Surgeon General