squidward smoking a cigarette blunt Steam Workshop::Squidward (StKK) - Smoker

For menthol specifically, it is likely that both the flavor and sensory properties, such as cooling and anti-irritant and antitussive properties, contribute to adolescent use

Chronic cigarette smoking is associated with increased arterial stiffness in men and women: Evidence from a large population-based cohort

There is no gradual process involved here

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Maintain your air purifiers and change the filters regularly to keep them functioning effectively

So yes, stress and anxiety dont cause ulcers on their own, but they definitely help them form