Biology
Genetic Testing for Hereditary Cancer Syndromes
Quick fact
Mutations in the BRCA1 and BRCA2 genes can increase a woman's lifetime risk of breast cancer up to 72% and ovarian cancer up to 44%, compared to about 12% and 1.3% in the general population.
Why this is interesting
Have you ever wondered why some families seem to have many members affected by cancer? Genetic testing can uncover the hidden hereditary links that explain such patterns.