- Believes the cigarette contains nicotine but receives placebo.
- Believes the cigarette does not contain nicotine but receives a nicotine cigarette.
- Believes the cigarette contains nicotine and receives nicotine.
- Believes the cigarette does not contain nicotine and receives placebo.
Belief About Nicotine Content in Cigarette May Change Brain Activity and Craving
Center for BrainHealth
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