FILE - In this Thursday, May 6, 2010 file photo, a radiologist uses a magnifying glass to check mammograms for breast cancer in Los Angeles. A Canadian study published Wednesday, Feb. 12, 2014 in the British journal BMJ has revived a debate about the value of mammograms. The study suggests that screening X-rays do not lower the risk of dying of breast cancer while finding many tumors that do not need treatment. Critics say the researchers used outdated equipment and methods that made mammograms look unfairly ineffective. (AP Photo/Damian Dovarganes, File)A Canadian learn about that many experts say has major flaws has revived debate concerning the price of mammograms. The analysis means that these screening X-rays don’t lower the chance of demise of breast most cancers while finding many tumors that should not have remedy.