Nationwide cohort study reveals that both long-term and short-term PM exposure increases psoriasis risk, suggesting air pollution's role in disease management.
, 95% CI 1.00-1.03). Stronger associations were observed in younger individuals, urban residents, those with lower socioeconomic status, ever-smokers, and patients with comorbid allergic diseases. These findings suggest that both long-term and short-term PM exposure contribute to psoriasis onset and exacerbation, underscoring air pollution as an important modifiable risk factor in psoriasis development and control.
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Kim et al. (2026) studied this question.
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