Your genes have a lot to say about who you are and how healthy you are. But for certain diseases, including cancer, so many genes are likely involved that it’s hard for doctors to come up with a useful, reliable way to turn your DNA information into a precise risk score.
But in a paper published in the journal Cancer Epidemiology, Biomarkers & Prevention, researchers say that combining the known genetic players in breast cancer can predict with much higher accuracy a newborn girl’s theoretical risk of developing the disease.
Alice Whittemore, a professor of epidemiology and biostatistics at Stanford University School and Medicine, and her colleagues included 86 known genetic variants that have been associated with breast cancer—including BRCA1 and BRCA2, which are relatively rare but confer a very high risk of disease compared to…
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