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Watch: Many of us are taking genetic tests, but how much are we really learning?

Published Last updated This article is more than 2 years old.

Sixteen years ago, scientists sequenced almost all the human genome. Today, there are 32 companies that will read your DNA like tea leaves. How much can they really tell us? Learn more in this members-only conference call with Quartz health and science editor Elijah Wolfson and reporter Katherine Foley.