The FDA on Friday approved two gene therapy treatments, Casgevy and Lyfgenia, for patients with sickle cell disease. Dr. Leah Croll discusses how these new treatments will help patients who are living with sickle cell. #FDA #sicklecell #health Get a fast-paced look at the latest from the border to Main Street to the White House on "NewsNation Live with Marni Hughes." Weekdays starting at 10a/9C.#NewsNationLive NewsNation will host the final Republican primary debate on Dec. 6 at 8 p.m. E.T. The debate will be aired and streamed live on all NewsNation platforms. Not sure how to find us on your TV? Use our ChannelFinder app: joinnn.com NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij