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the claim

Smoking raises blood sugar levels and increases the risk of type 2 diabetes.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
5 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that smoking raises blood sugar levels and increases the risk of type 2 diabetes?

Yes. The CDC states directly that smokers have a 30% to 40% higher risk of developing type 2 diabetes and that nicotine raises blood sugar. Other sources add partial support, listing smoking as a diabetes risk factor or a prevention target.

Verdict: SUPPORTED · 5 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 5
Diabetes and Smoking | Diabetes | CDC
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Diabetes and Smoking | Diabetes | CDC. (n.d.). cdc.gov. https://www.cdc.gov/diabetes/risk-factors/diabetes-and-smoking.html

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More for · 4
Smoking and the Risk of Type 2 Diabetes -
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Smoking and the Risk of Type 2 Diabetes - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.1016/j.trsl.2017.02.004

A Systematic Review of the Effects of Smoking on the Cardiovascular System and General Health.
2023
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Parmar, M. P., Kaur, M., Bhavanam, S., Mulaka, G. S. R., Ishfaq, L., Vempati, R., C, M. F., Kandepi, H. V., Er, R., Sahu, S., & Davalgi, S. (2023). A Systematic Review of the Effects of Smoking on the Cardiovascular System and General Health.. doi.org. https://doi.org/10.7759/cureus.38073

Smoking and its Role in the Occurrence of Diabetes Mellitus and its Complications
2025
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Kamawal, I. (2025). Smoking and its Role in the Occurrence of Diabetes Mellitus and its Complications. doi.org. https://doi.org/10.67661/sirjms.v1.i1026.016

Preventing Type 2 Diabetes: Questions for the Doctor
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Preventing Type 2 Diabetes: Questions for the Doctor. (n.d.). odphp.health.gov. https://odphp.health.gov/myhealthfinder/doctor-visits/talking-doctor/preventing-type-2-diabetes-questions-doctor

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