tobacco harm reduction risk continuum Clearing the Air: The Taxation and Regulation of Reduced-Harm Nicotine Products – C.D. Howe Institute Harm Minimization and Tobacco Control:
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[11] US troops in Iraq and Afghanistan have been reported to smoke at twice the rate of other Americans

When you smoke one, it can temporarily increase your level of alertness, concentration, and energy

After that, smoking rates dropped to between 20% and 29% for more than two decades

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