FAQ
What is secondhand smoke
Secondhand smoke is tobacco smoke inhaled by non-smokers from nearby smokers.
Quick Answer
Secondhand smoke is tobacco smoke inhaled by non-smokers from nearby smokers.
Detailed Explanation
Contains same carcinogens as direct smoking. No safe level of exposure.
Key Facts
- Secondhand smoke causes 41,000 deaths annually in US
- No safe level of exposure exists
What the Research Says
WHO identifies secondhand smoke as serious health hazard
Frequently Asked Questions
Am I harming others by smoking
Yes, significantly harming those exposed regularly
Is outdoor smoking safer
Reduces but does not eliminate others exposure
Sources & References
The information in this article is based on publicly available research and guidance from the following authoritative health organizations:
- CDC - Smoking & Tobacco Use
- WHO - Tobacco
- NIH - National Cancer Institute
- American Lung Association
- American Heart Association
- Truth Initiative
- Smokefree.gov
Sources accessed February 2026
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