Taking DNA tests may be surprised about your heritage; A recent survey suggests that more than a quarter of those using mail-in DNA tests learn about close relatives that they did not know. But this is not always happy or comfortable news. Rita Brever talks with people who have met for the first time, and with members of a support group for those who suddenly find that they have separate organic parents from those who raised them. She also finds out that 23 and M employees get special training to consult those who have made shocking discovery about their families.
