Forty is the optimal age for women to start having regular mammograms to reduce the number of breast cancer deaths, according to a US study.
When Should Women Get Regular Mammograms? At 40, U.S. Panel Now Says. - The New York Times
Routine mammograms do not save lives: The research is clear
Breast cancer mammograms should begin at age 40, USPSTF guidelines say
Breast Cancer Screening Saves Lives - Island Health
Mammograms Save Lives – If You're 40 or Older You Should Be Screened Every Year
Panel: Begin Mammograms At 50, Not 40 : NPR
Breast cancer screening age in Ontario to be lowered to 40
One of the largest and most meticulous studies of mammography ever done, involving 90K women and lasting 25y, has added powerful new doubts about the value of the screening test for women
Breast cancer screening cannot be justified, says researcher, Cancer research
Preparing for a Mammogram: Everything You Should Know
Study shows annual mammograms don't save lives - CBS News