If your family history indicates that you might be good candidate for genetic testing, proceed with caution. Know what your options will be post-test, says Colditz because results don't always guarantee a change in treatment. Also, be sure to do some research on your testing method. The FDA recently sent a letter to 23andMe about their at-home gene test, which, among other things, said it could tell people their BRCA carrier status. The FDA wrote that it feared this product would result in an elevated number of false positives and negatives. The company has since pulled it.
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