Low PSA? Don’t Celebrate Until You Check Testosterone

Intellectual Medicine · Jun 23, 2026 · 13m · transcript

In this episode of Intellectual Medicine, Dr. Stephen Petteruti challenges the common belief that a low PSA is always good news. He explains that PSA is not a cancer marker by itself, but a natural substance produced by the prostate, and that testosterone plays an important role in normal PSA production. If testosterone is low, PSA may also appear unusually low, which can create a false sense of reassurance. Dr. Stephen discusses why men, especially those over 50 or 60, should evaluate PSA in the context of hormone health, vitality, and overall risk rather than reacting to a single number. He…