First, do no harm: direct-to-consumer genetic testing

To the Editor: We are writing to share one patient’s experience with direct-to-consumer (DTC) BRCA genetic testing. We believe this case illustrates the current questions and concerns surrounding DTC testing. A healthy 47-year-old woman came to the Adult Genetic Medicine Clinic for a family history of two first-degree relatives with breast cancer. Clinical molecular genetic testing identified a heterozygous pathogenic variant in the BRCA2 gene....