According to a recent study, fewer and fewer women died from breast cancer in recent years, but surprisingly, the decline has been just as large in the age groups that are not screened. The decline is, therefore, due to better treatment and not screening for breast cancer.
As part of the study, the researchers followed all Norwegian women aged 30-89 and identified those who developed breast cancer in the period 1987-2010, before subsequently comparing the number of deaths before and after the screening programme was introduced.
According to Henrik Stovring, one of the researchers, the result didn't favour the breast cancer screening programme. The Danish screening programme was progressively introduced from the early 1990s and was offered nationally to everyone from 2007, three years after the Norwegians, who supplied data for the Danish-Norwegian research project.