Only 8 to 12 percent of U.S. couples choose vasectomy for long-term birth control. One reason may be old fears about this simple procedure increasing risks of prostate cancer. A 2017 study should end that debate.
The merits of PSA (prostate-specific antigen) testing for prostate cancer have long been debated. Does testing identify too many harmless, slow-growing cancers — or does it save lives? Tap or click to reveal the answer.