Tobacco harm reduction: evidence briefs for policymakers

Here are my updated December 2025 evidence briefs on the scientific and policy considerations for e-cigarettes or vapes and other smoke-free products that support tobacco harm reduction.

Evidence Brief 1: Smokefree products are much less harmful than cigarettes

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This briefing provides background and evidence on why vaping and other smoke-free nicotine products are, beyond any reasonable doubt, far safer than smoking. Updated: 16 January 2025

Evidence Brief 2: Smokefree products displace smoking

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This briefing provides background and evidence on how vaping and other smoke-free products can displace smoking for individuals and the population as a whole.
Updated: 16 January 2025

Evidence Brief 3: Understanding youth use

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This briefing provides an analysis of youth use of vaping products, placing it in the context of youth risk behaviours and noting that for some adolescents, vaping will displace smoking.
Updated: 16 January 2025

Evidence Brief 4: Policymaking for novel and emerging products

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This briefing discusses the policymaking challenges for products that are much safer than cigarettes, including trade-offs and unintended consequences. It is all too easy for policymakers to do more harm than good, and we advise a “risk-proportionate” approach to policymaking.
Updated: 3 December 2025

Evidence Brief 5: Nicotine for policymakers

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This briefing provides a background for policymakers on nicotine. The main challenge for policymakers in public health is the management of the psychoactive drug nicotine to reduce overall harms to the extent possible and with the consent of those affected and at risk. Policymakers must understand the risks and reasons why people use nicotine.
New: 5 May 2025

Tradução: Português

Comments

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