Up Next
Back to Show
PBS News Hour
Three-parent DNA treatment for rare defect raises debate
When women have defective mitochondria, their children can inherit terrible, sometimes fatal problems. A new technology, pioneered in England, adds healthy cellular structure from a third person, meaning that children are born with DNA from three people. William Brangham learns more from Jeffrey Kahn of Johns Hopkins University and Marcy Darnovsky of the Center for Genetics and Society.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
57:46
June 26, 2025 - PBS News Hour full episode
57:46
June 25, 2025 - PBS News Hour full episode
57:46
June 24, 2025 - PBS News Hour full episode
56:45
June 23, 2025 - PBS News Hour full episode
26:45
June 22, 2025 - PBS News Weekend full episode
26:45
June 21, 2025 - PBS News Weekend full episode
56:44
June 20, 2025 - PBS News Hour full episode
57:46
June 19, 2025 - PBS News Hour full episode
57:46
June 18, 2025 - PBS News Hour full episode
57:46
June 17, 2025 - PBS News Hour full episode
57:46
June 16, 2025 - PBS News Hour full episode
26:45
June 15, 2025 - PBS News Weekend full episode