Using DNA to trace your ancestry can satisfy curiosity (Henry Louis Gates Jr. was surprised to find out he was half white, for example), but in a recent interview with Sanjay Gupta Jr., Gates ā The Root's editor-in-chief and host of PBS's Finding Your Roots series ā talks about what else it can do.
Listen to their chat about the medical significance of DNA testing, the establishment of a database that scientists are using to explore the link between genes and risk of disease, and why a company that can assess ancestry and reveal genetic propensity for certain diseases wants African Americans to get their DNA tested.
Read more at CNN.