Secrets in Our DNA
Movie DetailsMultiple player options are available. If one player doesn't work, try another. We do not host any content. If no players load, the movie might not be available. You can switch the language from the player dropdown menu.
Overview
Some 30 million Americans have sent their DNA to be analyzed by companies like 23andMe and AncestryDNA, hoping to obtain clues to family origins and forecasts of their future health. Some users have found family members and discovered lurking genetic risks. But what happens once the sample is in the hands of testing companies? What are they looking at and how accurate are their results?
