Prognosis

Deleting Your Online DNA Data Is Brutally Difficult

A reporter’s effort to erase her genetic footprint gets snared in a thicket of policies and rules.

Perusing a 23andMe kit.

Photographer: Cayce Clifford/Bloomberg
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In the name of journalism, I have spit into a lot of test tubes.

I’ve sent samples of my saliva to Ancestry and 23andMe Inc. to find out about my heritage; mailed my spit to Helix for insight into my athletic ability, diet and sleep patterns; and uploaded my DNA to the website of a startup that said it could craft a skin care routine genetically optimized to give me perfect skin.