The Role of Vitamin A in Advanced Prostate Cancer
I have recently received a number of emails asking about the role of vitamin A (retinol) in advanced prostate cancer. These questions come from the recently released results of the Prostate, Lung, Colorectal, and Ovarian (PLCO) Cancer Screening Trial, which have caused the current stir about PSA screening. In this study, 803 prostate cancer survivors [...]