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Nicotine acts as a gateway drug on the brain, and this effect is likely to occur whether the exposure is from smoking tobacco, passive tobacco smoke, or e-cigarettes. LEARN MORE: Why Nicotine is a Gateway Drug LEARN MORE: A Molecular Basis for Nicotine as a Gateway Drug LEARN MORE: Nicotine as a gateway drug: Biological mechanism in mice identified LEARN MORE: Why are politicians still referring to marijuana as a gateway drug
Because of his refusal to publish much of his math and science, Harriot has remained an obscure figure in science history
If the level of nicotine falls, the smoker may experience unpleasant withdrawal symptoms that lead to them "topping up" their nicotine levels by smoking again
Of these, 10.7% (around 99 million) currently smoke tobacco and 21.4% (around 199 million) use smokeless tobacco 1,2
OCLC 759999696
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