Assertion: prostate cancer's effect | /r/HasProperty | mediated by inadequate sunlight
Facets:
value: during three months of the year
type: TEMPORAL
Source sentences:
text: When Chinese men move to the western culture, their risk increases substantially; men who live north of 40 degrees latitude (north of Philadelphia, Columbus, Ohio, and Provo, Utah) have the highest risk for dying from prostate cancer of any men in the United States – this effect appears to be mediated by inadequate sunlight during three months of the year which reduces vitamin D levels.