Kala Visvanathan

Per- and polyfluoroalkyl substances levels other than PFOS, PFOA, or PFHxS and liver cancer risk: a nested case-control analysis

Abstract Epidemiologic studies of PFAS and liver cancer risk have produced conflicting results with no strong or clear associations for pre-diagnostic perfluorooctanesulfonate (PFOS), perfluorooctanoate (PFOA), and perfluorohexanesulfonate (PFHxS). We now report analyses of nine...

Prediagnostic circulating 25-hydroxyvitamin D and prostate cancer-specific survival: a collaborative pooled analysis of 13 prospective studies

Abstract Background Previous research suggests higher risk of prostate cancer diagnosis in men with high vitamin D serology, but there are limited data related to prostate cancer survival. In this study, we examine the associations between prediagnostic circulating levels of 25-h...