The mixed messages over the use of mammograms for breast cancer screening have continued, with a new study suggesting their radiation may harm the women they’re supposed to save.

Dutch researchers have found that women with a family history of breast cancer or a genetic susceptibility to it may increase their risk of cancer by taking mammograms at a young age.

The problem is these are the women who are often told to start taking mammograms early on in their lives as a precautionary measure.