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.
New mammogram guidelines: Screenings should now start at age 40 - CBS News
Panel: Begin Mammograms At 50, Not 40 : NPR
Breast cancer screening: How often should a woman get a mammogram? - Vox
Breast Cancer Screening Saves Lives - Buffalo Healthy Living Magazine
Ending the confusion about breast cancer screening: Annual mammograms starting at 40 save the most lives - News
Mammograms should start at age 40, per a U.S. health task force: 'This was a big victory today
More evidence shows annual mammogram beginning at age 40 could save lives - CBS Boston
Breast screening women in their 40s 'could save lives' - BBC News
Women should start getting mammograms at 40 not 50, major health panel says
Start mammograms at 40, not 50, a U.S. health panel recommends