“…During the time periods covered by our analyses, the Northeast and Midwest regions (''Rust Belt'') experienced substantial population losses to the South and West (''Sun Belt'') [42]. Assuming that the major protective effects of UV exposure occur sometime prior to migration (as indicated by the NHANES analysis by John et al [43], below), the effect of these migrations would be to dilute the observed correlations between prostate cancer mortality and UV exposure Rogerson et al [44] reported a higher than expected increase in prostate cancer mortality in south-central states from 1990 to 1998, a finding that might be influenced by Sun Belt migration. However, a recent geographical study indicates that the protective effect of sunlight on prostate cancer mortality persists even after controlling for migration [45].…”
Our analyses confirm and extend our findings that the geographic distribution of prostate cancer mortality is the inverse of that of UV radiation. This effect is strongest in counties north of 40 degrees N latitude, where vitamin D synthesis is limited to non-winter months. These findings add additional support for the hypothesis that vitamin D insufficiency increases risk for prostate cancer.
“…During the time periods covered by our analyses, the Northeast and Midwest regions (''Rust Belt'') experienced substantial population losses to the South and West (''Sun Belt'') [42]. Assuming that the major protective effects of UV exposure occur sometime prior to migration (as indicated by the NHANES analysis by John et al [43], below), the effect of these migrations would be to dilute the observed correlations between prostate cancer mortality and UV exposure Rogerson et al [44] reported a higher than expected increase in prostate cancer mortality in south-central states from 1990 to 1998, a finding that might be influenced by Sun Belt migration. However, a recent geographical study indicates that the protective effect of sunlight on prostate cancer mortality persists even after controlling for migration [45].…”
Our analyses confirm and extend our findings that the geographic distribution of prostate cancer mortality is the inverse of that of UV radiation. This effect is strongest in counties north of 40 degrees N latitude, where vitamin D synthesis is limited to non-winter months. These findings add additional support for the hypothesis that vitamin D insufficiency increases risk for prostate cancer.
“…Genetic susceptibility, as well as age, dietary practices, physical activity, agrochemical exposures, infectious diseases, and socioeconomic status (SES) have been suggested as risk factors for disease[2] and/or disease detection [3-6]. …”
Background: This study evaluated geographic distribution of race-specific prostate cancer incidence in Connecticut and Massachusetts. This cross-sectional analysis of census and cancer registry data included records of 29,040 Whites and 1,647 African Americans diagnosed with incident prostate cancer between 1994 and 1998. A spatial scan statistic was used to detect and test significance of the geographic variation in race-specific incidence rates within the two-state area.
“…Reports document birth in the southern region of the US predicts mortality from cardiovascular disease, stroke, dementia, and Alzheimer disease independently of residence in the South in adulthood, among both blacks and whites [9][10][11]. Although several studies have assessed the influence of adult residence on prostate cancer mortality [12][13][14][15][16], few studies have investigated the possible influence of place of birth on prostate cancer mortality within the US [3,17].…”
Geographically patterned childhood exposures, for example, differences in social or environmental conditions, or behavioral norms, may influence PCa mortality.
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