Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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Τρίτη 7 Ιουνίου 2022

Cumulative erythemal ultraviolet radiation and risk of cancer in three large US prospective cohorts

alexandrossfakianakis shared this article with you from Inoreader
Abstract
Ultraviolet radiation (UVR) exposure is the major risk factor for melanoma. However, epidemiologic studies on UVR and non-cutaneous cancers have reported inconsistent results, with some suggesting an inverse relationship potentially mediated by vitamin D. To address this, we examined three U.S. prospective cohorts, the Health Professionals Follow-Up Study (HPFS) (1986) and Nurses' Health Study (NHS) I and II (1976 and 1989), for associations between cumulative erythemal UVR and incident cancer risk, excluding non-melanoma skin cancer. We used a validated spatiotemporal model to calculate erythemal UVR. Participants (47,714 males; 212,449 females) were stratified into quintiles by cumulative average erythemal UVR, using the first quintile as reference for Cox proportional hazards regression analysis. In the multivariable-adjusted meta-analysis of all cohorts, compared to the lowest quintile, risk of any cancer was slightly increased across all o ther quintiles [highest quintile Hazard Ratio (HR),1.04; 95% Confidence Interval (CI),1.01,1.07; P-heterogeneity (P-het)=0.41]. All UVR quintiles were associated with similarly increased risk of any cancer excluding melanoma. As expected, erythemal UVR was positively associated with risk of melanoma (highest quintile HR,1.17; 95% CI,1.04,1.31; P-het=0.83). These findings suggest that elevated UVR is associated with increased risk of both melanoma and non-cutaneous cancers.
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