"We've heard the overdiagnosis argument in the U.S. before, especially surrounding breast cancer; in 2009, the United States Preventive Services Task Force recommended against annual breast cancer screening starting at age 40 and instead advised women get mammograms starting at age 50.
Now, two new studies published Monday in the medical journal The BMJ highlight the global problem with overtreatment in both breast cancer and heart disease."
http://time.com/3379349/overdiagnosis-and-overtreatment/?xid=newsletter-brief