A US task force says don’t bother with prostate cancer tests: The blood test that millions of men undergo each year to check for prostate cancer leads to so much unnecessary anxiety, surgery and complications that doctors should stop testing elderly men, and it remains unclear whether the screening is worthwhile for younger men, a federal task force concluded yesterday. … The 16-member U.S. Preventive Services Task Force … published the new guidelines today in the Annals of Internal Medicine. …