FAQ
What happens when you quit smoking
Health improvements begin within 20 minutes and continue for years.
Quick Answer
Health improvements begin within 20 minutes and continue for years.
Detailed Explanation
Heart rate drops in minutes, lung function improves in weeks, cancer risk decreases over years.
Key Facts
- Benefits begin within 20 minutes of last cigarette
- Major health improvements occur within first year
What the Research Says
CDC documents timeline of health recovery
Frequently Asked Questions
How soon will I feel better
Energy and breathing improve within 2-3 weeks
Is it worth quitting after many years
Absolutely; benefits occur at any age or duration
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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