When women get a blood test during pregnancy that looks at free-floating DNA, they expect it to tell about the health of the fetus. But the test sometimes finds signs of cancer in the mother. Isabel Seliger for NPR hide caption
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Hadiyah-Nicole Green and Tenika Floyd at their StoryCorps interview in Atlanta in January 2017. Jacqueline Van Meter for StoryCorps hide caption
'It Was Personal.' After Tragedy, Physicist Devotes Career To Cancer Research
Black men are twice as likely as whites to die from prostate cancer, one of the deadliest cancers that affect males. Tetra Images/Getty Images/Tetra images RF hide caption
Nearly two-thirds of cell mutations that cause cancer are caused by random error, a study found. Steve Gschmeissner/Science Source hide caption
Nancy Roach at a conference in 2016. She's long worked as a patient's advocate and recently teamed up with scientists to help improve the design of studies, as well as to improve clinical care. Andrew Wortmann/Courtesy of Fight Colorectal Cancer hide caption