Seven years ago, if you had told me that I would ever author an article by this title, I would have laughed. I was not a fan of direct-to-consumer (DTC) genetic testing and was an unapologetic critic. But it’s hard to ignore how the world of genetics has changed in the past seven years: the field has exploded, more than 15 million customers have ordered DTC testing, and it is estimated that 100 million will spit and send by 2021. Cold cases have been solved, and our genetic privacy has been compromised due to our genetic data being shared in public databases. Love it or hate it, DTC testing is here to stay.
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