WASHINGTON (AP) — Middle-aged men should undergo regular screening for prostate cancer, the American Cancer Society said Thursday in a major change to its guidelines. The screening involves a simple blood test, and men at average risk of getting prostate cancer should receive that PSA test every two years between the ages of 50 and 69, the cancer society advised. Men at high risk, including Black men and men with a strong family history of prostate cancer, should get yearly PSA checks and at...