Challenge Peston
Newscast
00:00
Is There a Risk of Breast Cancer if You Have a Bracker 1 Gene?
CNN's John Defterios and James Carville talk about the role of science in our lives. They also discuss a new study showing that people who are descended from Orkney may have an increased risk of breast cancer. And they share their views on whether or not we should be eating more peanut butter.
Transcript
Play full episode
