How did 23andMe go from the peak of the double-helix to a death spiral? And if it goes under, is all of the genetic data it collected at risk?  Guest: Kristen V. Brown, staff writer covering health for The Atlantic. Want more What Next TBD? Subscribe to Slate Plus to access ad-free listening to the whole What Next family and all your favorite Slate podcasts. Subscribe today on Apple Podcasts by clicking “Try Free” at the top of our show page. Sign up now at slate.com/whatnextplus to get access wherever you listen. Podcast production by Evan Campbell, Patrick Fort, and Cheyna Roth. Learn more about your ad choices. Visit megaphone.fm/adchoices