3min chapter

The Peter Attia Drive cover image

#39 - Ted Schaeffer, M.D., Ph.D.: How to catch, treat, and survive prostate cancer

The Peter Attia Drive

CHAPTER

PSA Is a Protein That Breaks Down Prostate Epithelium

PSA is a protein that breaks down the semen and liquefies it. It's highly expressed in the process of fertilizing an egg. PSA numbers are 100 million per ml, which is astronomically high. As the prostate gets bigger, so think about this concept of New York City sewers - they're getting leakier as we get older.

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