Study disputes value of routine mammograms

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 Critics say the researchers used outdated equipment and methods that made mammograms look unfairly ineffective.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 study that many experts say has major flaws has revived debate about the value of mammograms. The research suggests that these screening X-rays do not lower the risk of dying of breast cancer while finding many tumors that do not need treatment.