DTC genetic testing has negative consequences in children
 

A woman coping with the burden of familial breast cancer can't help but wonder if her young daughter will suffer the same fate. Has she inherited the same disease-causing mutation? Is it best to be prepared for the future, or to wait? During the last decade, genetic tests have been through a sea change, both in their availability and the technologies behind them. Today there are at least 34 companies that offer direct to consumer (DTC) DNA testing, some of which return health results. And now it is possible to sequence someone's entire genetic code for the price of a laptop.

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