Three Decades of SEER Data Confirms That Mammogram Screening Does More Harm Than Good

Nearly one-third or 1.3 million women over the past 30 years were overdiagnosed with breast cancer (ie, their tumors would have never led to clinical symptoms in their lifetimes) in the United States,  according to the research published in the November 22, 2012 issue of the New England Journal of Medicine.