{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T06:10:23Z","timestamp":1780467023168,"version":"3.54.1"},"reference-count":40,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T00:00:00Z","timestamp":1777334400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T00:00:00Z","timestamp":1777334400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The Journal of Dermatology"],"published-print":{"date-parts":[[2026,6]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Psoriasis is a chronic inflammatory skin disease influenced by environmental factors, including air pollution. However, large\u2010scale evidence from Asian populations, where particulate matter (PM) exposure is relatively high, remains limited. This study aimed to evaluate the association between long\u2010term PM exposure and psoriasis incidence, and short\u2010term exposure with exacerbation risk. We conducted a cohort study using the Korean National Health Insurance Service database, involving 8\u2009396\u2009764 individuals. Long\u2010term exposure was assessed based on annual average concentrations of fine PM (PM\n                    <jats:sub>2.5<\/jats:sub>\n                    ) and coarse PM (PM\n                    <jats:sub>10<\/jats:sub>\n                    ), while short\u2010term exposure was measured using daily PM levels matched with control days. Long\u2010term exposure to PM\n                    <jats:sub>2.5<\/jats:sub>\n                    and PM\n                    <jats:sub>10<\/jats:sub>\n                    was associated with a 19% and 27% higher risk of incident psoriasis (adjusted HR 1.19 and 1.27; 95% CI 1.16\u20131.22 and 1.25\u20131.30). Short\u2010term exposure was linked to an increased risk of psoriasis exacerbation (adjusted OR 1.03 for PM\n                    <jats:sub>2.5<\/jats:sub>\n                    , 95% CI 1.00\u20131.06; adjusted OR 1.01 for PM\n                    <jats:sub>10<\/jats:sub>\n                    , 95% CI 1.00\u20131.03). Stronger associations were observed in younger individuals, urban residents, those with lower socioeconomic status, ever\u2010smokers, and patients with comorbid allergic diseases. These findings suggest that both long\u2010term and short\u2010term PM exposure contribute to psoriasis onset and exacerbation, underscoring air pollution as an important modifiable risk factor in psoriasis development and control.\n                  <\/jats:p>","DOI":"10.1111\/1346-8138.70283","type":"journal-article","created":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T04:37:00Z","timestamp":1777437420000},"page":"905-913","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Long\u2010Term Particulate Matter Exposure and Risk of Psoriasis Incidence, and Short\u2010Term Exposure and Risk of Exacerbation: A Nationwide Cohort Study"],"prefix":"10.1111","volume":"53","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2223-1606","authenticated-orcid":false,"given":"Bo Ri","family":"Kim","sequence":"first","affiliation":[{"name":"Department of Dermatology Seoul National University Bundang Hospital  Seongnam Republic of Korea"},{"name":"Department of Dermatology Seoul National University College of Medicine  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-0704-1530","authenticated-orcid":false,"given":"Jihee","family":"Nam","sequence":"additional","affiliation":[{"name":"Department of Clinical Research Design and Evaluation SAIHST, Sungkyunkwan University  Seoul Republic of Korea"},{"name":"Center for Clinical Epidemiology, Samsung Medical Center  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jin","family":"Lee","sequence":"additional","affiliation":[{"name":"Biomedical Research Institute, Jeju National University Hospital  Jeju Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Suna","family":"Kang","sequence":"additional","affiliation":[{"name":"Department of Clinical Research Design and Evaluation SAIHST, Sungkyunkwan University  Seoul Republic of Korea"},{"name":"Korea Environment Institute  Sejong Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sung\u2010Won","family":"Kang","sequence":"additional","affiliation":[{"name":"Korea Environment Institute  Sejong Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0590-7894","authenticated-orcid":false,"given":"Minsu","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Dermatology Seoul National University Bundang Hospital  Seongnam Republic of Korea"},{"name":"Department of Dermatology Seoul National University College of Medicine  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juhee","family":"Cho","sequence":"additional","affiliation":[{"name":"Department of Clinical Research Design and Evaluation SAIHST, Sungkyunkwan University  Seoul Republic of Korea"},{"name":"Center for Clinical Epidemiology, Samsung 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