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

The Peter Attia Drive

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The 4K Score Is a Game Changer for Primary Care Physicians

The 4K score is the fork calicrine test. It takes PSA percent free PSA intact PSA and HK2, it has a calculator to really just discriminate between a cancer cell and a benign cell. There's another test that performs equally well called the prostate health index or PHI test. These both leverage off this idea that prostate cancer cells make PSA differently than benign prostate cells.

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