Breast cancer gene mutations don't raise risk equally

(HealthDay News) UPDATED 2008-01-08

A new study suggests that not all women who carry the BRCA gene mutations are at equal risk of developing breast cancer. Researchers studied 181 women who had a BRCA1 or BRCA2 genetic mutation and found that other factors, such as age when the cancer appeared, were more significant than simply carrying the mutation. Experts say this means there are other genetic and environmental factors that play a part in whether or not a person develops the disease. Read full story >

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