'I would have had another kid': How an imperfect gene test led to major surgery—and big regrets
January 08, 2020
When Katy Mathes and six of her family members learned they had a mutation on a BRCA gene that significantly raised their risk of breast cancer they underwent major surgery. But years later, the genetic testing company lowered the family's odds of getting the disease, Amy Dockser Marcus reports for the Wall Street Journal.
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