Key Takeaways

Smokers have a higher risk of type 2 diabetes

They are particularly vulnerable to type 2 diabetes involving insulin resistance

Heavy smokers have the highest risk

MONDAY, Sept. 15, 2025 (HealthDay News) — Smokers have a higher risk of developing type 2 diabetes , especially if they are genetically predisposed to the condition, a new study says.

People who ever smoked at all have an elevated risk of all four subtypes of type 2 diabetes, and heavy smokers are at even greater risk, researchers reported Saturday at a meeting of the European Association for the Study of Diabetes in Vienna.

“It is clear that smoking increases the risk of type 2 diabetes whatever the subtype — that is, regardless of whether the diabetes is characterized by insulin resistance, lack of insulin

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