Influence of Climate Factors on Pediatric Alopecia Areata Flares in Philadelphia, Pennsylvania

October 2021 in “ Scientific Reports ”

Elisabeth A. George, Leslie Castelo‐Soccio, Elana Putterman, Helena Kuhn, Carlos Gustavo Wambier, Abrar A. Qureshi, Eunyoung Cho

alopecia areata UV index precipitation atopic comorbidities air pressure

TLDR Climate factors like UV index and rain can affect alopecia areata flares in children, especially those with allergies.

This study investigated the influence of climate factors on alopecia areata (AA) flares in 336 children in Philadelphia from 2015 to 2017. Significant correlations were found between AA flare frequency and climate variables such as UV index, precipitation, number of days with rain, number of days with sun, and air pressure. The study revealed that patients with atopic comorbidities showed stronger associations with these climate factors, suggesting they might be more susceptible to climate influences on AA flares. In contrast, patients without atopic comorbidities exhibited weaker and non-significant correlations. The findings indicated that climate factors could mediate the seasonal pattern of AA flares and contribute to AA pathogenesis.

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research Increased Prevalence of Vitamin D Deficiency in Patients with Alopecia Areata: A Systematic Review and Meta-Analysis

48 citations , April 2018 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology”

People with alopecia areata often have lower vitamin D levels and are more likely to be deficient in it.

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