FAQ
Can smoking affect your thyroid
Yes, smoking affects thyroid hormone levels and increases disease risk.
Quick Answer
Yes, smoking affects thyroid hormone levels and increases disease risk.
Detailed Explanation
It may worsen hyperthyroidism and increase goiter risk. Effects vary by individual.
Key Facts
- Graves disease is more severe in smokers
- Thyroid eye disease risk increases significantly
What the Research Says
NIH documents various thyroid effects from smoking
Frequently Asked Questions
Should I quit if I have thyroid problems
Yes, especially important for certain thyroid conditions
Will thyroid function improve
Some conditions improve; depends on specific diagnosis
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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