Scientists are genuinely divided on this question.

Not medical advice — just what the research says.

What's still open

What the evidence found 3 findings
Based on 11 sources:
PMC Article peer-reviewed View
Tobacco Prevention & Cessation peer-reviewed View
European Respiratory Review peer-reviewed View
PubMed peer-reviewed View
PMC - NIH peer-reviewed View
Cochrane institutional View
PMC peer-reviewed View
Cochrane Handbook institutional View
medRxiv peer-reviewed View
PMC (PubMed Central) peer-reviewed View
Internal and Emergency Medicine peer-reviewed View
Based on 12 sources:
PMC - NIH peer-reviewed View
Washington University School of Medicine institutional View
Respiratory Therapy news View
PMC - NIH peer-reviewed View
European Respiratory Journal peer-reviewed View
Expert reaction to study of dual use of cigarettes and vapes institutional View
Associations between dual use of e-cigarettes and smoking peer-reviewed View
PMC peer-reviewed View
NIDA institutional View
New England Journal of Medicine peer-reviewed View
NCBI Systematic Review institutional View
ResearchGate Publication peer-reviewed View
Based on 12 sources:
PMC - Association of electronic cigarette vaping and subsequent smoking peer-reviewed View
ScienceDirect - The Effect of 12-Week e-Cigarette Use on Smoking Abstinence peer-reviewed View
PMC peer-reviewed View
Tobacco Induced Diseases peer-reviewed View
PMC - NIH peer-reviewed View
News Medical news View
Newswise news View
Hedman et al. (2021) peer-reviewed View
Electronic Cigarettes for Smoking Cessation: A Systematic Review peer-reviewed View
Barufaldi et al. (2021) peer-reviewed View
PMC Article on Dual Use and Smoking Cessation peer-reviewed View
PMC Article on Dual Use of Combustible Cigarettes and E-cigarettes peer-reviewed View
What research hasn't answered 4 gaps
PMC - NIH peer-reviewed View
Washington University School of Medicine institutional View
Respiratory Therapy news View
PMC - NIH peer-reviewed View
European Respiratory Journal peer-reviewed View
PMC Article peer-reviewed View
Tobacco Prevention & Cessation peer-reviewed View
European Respiratory Review peer-reviewed View
PubMed peer-reviewed View
PMC - NIH peer-reviewed View
PMC - NIH peer-reviewed View
Washington University School of Medicine institutional View
Respiratory Therapy news View
PMC - NIH peer-reviewed View
European Respiratory Journal peer-reviewed View
Sources 21 findings
argumentation Unknown
argumentation Unknown
argumentation Unknown
tree-leaf argumentation
Cochrane argumentation
tree-leaf argumentation
tree-leaf argumentation
tree-leaf argumentation
2019 Hajek argumentation
tree-leaf argumentation
tree-leaf argumentation
2016 Malas argumentation
Cochrane argumentation
tree-leaf argumentation
tree-leaf argumentation
tree-leaf argumentation
tree-leaf argumentation
2016 Malas argumentation
argumentation Unknown
argumentation Unknown
argumentation Unknown
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Generated by reaso.ai's editorial pipeline: claim restated, scientific consensus classified via 3-run majority vote, 21 findings enriched with attribution and study type, narrative written in neutral voice. No individual researcher has signed off on this specific analysis — see methodology for how the pipeline works. Built with Claude Sonnet by Anthropic. Updated April 16, 2026. How we do this →

Written by AI. Sources are linked for verification.