is tobacco a depressent Nicotine Depressant or Stimulant? Effects Explained is smoking tobacco a stimulant

E-cigarettes heat liquids with nicotine and flavourings, allowing users to vape nicotine instead of smoking

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However, many components of how this process might have occurred are a mystery

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This could be due to some policy evaluations conducted by governments or non-governmental organizations not being intended for publication, or being less likely to be published if they yield non-significant results, introducing potential publication bias