Global Editions

Look how far precision medicine has come

Skeptics say drugs based on genetic insights have underdelivered. But look carefully and they’re everywhere.
by Antonio Regalado

Sometime this fall, the number of people who have spit in a tube and sent their DNA to the largest consumer DNA testing companies, like Ancestry and 23andMe, is likely to top 20 million. The list by now is certain to include some of your classmates and neighbors. If you are just tuning in, this figure will seem huge. And you might wonder: how did we get here?


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