This suggests that elevated serum PSA is a significant risk factor for BPH, which often leads to acute urinary retention and the need for prostate surgery in aging men. This small but statistically significant difference was attributed to increased excretion of certain bile acids.
Prostate cancer is a hormone-dependent cancer in which tumour growth is stimulated by sex hormones.
Although soluble fibre was strongly correlated with decreased serum PSA in the Toronto study, the link could not be attributed to decreased circulating testosterone levels. Although the importance of these results for the prevention of prostate cancer is yet to be determined, it is one more reason to include more vegetables and legumes in our diets.