Researchers from Brigham and Women’s Hospital are reporting the results of a study conducted over the last year. Turns out Propecia artificially lowers PSA (prostate specific antigen) levels by 50%. Artificially lower PSA levels might result in later detection of prostate cancer.
Something to keep in mind when you have that prostate exam… or decide whether or not to take Propecia.
(source – various, but I read it here.)