FAQ
How does smoking affect cholesterol
Smoking lowers good HDL cholesterol and increases bad LDL oxidation.
Quick Answer
Smoking lowers good HDL cholesterol and increases bad LDL oxidation.
Detailed Explanation
Lipid profile improves within weeks of quitting. Heart disease risk decreases significantly.
Key Facts
- HDL cholesterol increases within 3 weeks of quitting
- LDL oxidation and plaque formation slow after quitting
What the Research Says
WHO confirms smoking worsens cholesterol and lipid profiles
Frequently Asked Questions
Will cholesterol improve if I quit
Yes, HDL increases and cardiovascular risk decreases
How long to see changes
Initial improvements within weeks; full benefits within months
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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