Advances in gene therapy bring new hope to people with sickle cell disease

There is no universal cure for sickle cell disease, but experimental therapies are giving patients new hope. Matt Galloway speaks with Revée Agyepong, one of the first adults to be cured of the rare blood disorder in Canada; and Dr. Dhruv Khullar, a physician-researcher at Cornell University’s Weill Cornell Medical College in New York.