Days after announcing a malfunction with cancer tests, the Health Ministry announced a serious glitch in the BRCA nanochip test, which tests for a genetic mutation that significantly raises the risk of developing ovarian or breast cancer. On Tuesday, the Health Ministry launched an investigation into an unusual case involving a widely used genetic screening test centering on the BRCA14 nanochip test, which identifies mutations in the BRCA1 and BRCA2 genes. The issue emerged after a woman who