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BPH begins at age 50 and may lead to urinary obstruction. Differentiation from prostate cancer can be difficult. The use of the PSA test is controversial      

  The PSA era is over. Modern research has shown that it leads to overdiagnosis and overtreatment and far too many surgeries, radiation therapy, and hormonal therapy. Prostate cancer is very common, but only about 2% need to be treated. Preventive measures and environmental toxins are reviewed. The relationship of various hormones is discussed.New tools...