In an emotional meeting at Children’s Health, Sebastian Hernandez, a 17-year-old North Texan who successfully beat leukemia, hugged the stranger whose bone marrow donation proved life-saving. Hernandez, after enduring a harrowing fight with acute lymphoblastic leukemia that relapsed following chemotherapy, was given a new lease on life owing to Zach Warter, a 20-year-old Tulane University student who was a perfect donor match, as reported by NBC DFW.