psa blood

PSA: What’s Normal?

PSA is prostate specific antigen, a protein made by prostate cells that shows up in your blood with a PSA blood test. PSA levels increase with prostate cancer, so PSA has been used as a screening test for prostate cancer for many years. A cancer screening test is a test … Read More

Is Low Testosterone to Blame for Your Energy Crisis?

You’re getting older. You’ve lost muscle tone and some pep in your step, and your sex life isn’t what it used to be. Your thoughts turn to low testosterone, and you think about testosterone replacement therapy as a medical fountain of youth, a way to regain your youthful vigor. Trouble … Read More

Are You Keeping Tabs on Your PSA Levels?

Three big letters: P-S-A. In the world of urology and men’s health, perhaps no three letters generate more controversy. Since the early 1990s, the prostate-specific antigen (or PSA) blood test has served as the cornerstone of prostate cancer early detection. Today, it remains at the center of a debate over … Read More

An Abnormal PSA Result: What Comes Next?

The prostate-specific antigen (PSA) blood test remains central to prostate cancer screening and, at the same time, at the center of considerable controversy. While proponents cite data supporting the test as a way to reduce the risk of dying from prostate cancer, critics point to the chain of events that … Read More

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