Finding a Cure for Sickle Cell Disease

For years, doctors have been working on a way to help people with sickle cell disease, a genetic condition that causes chronic pain, as well as life-threatening strokes and organ damage.
It affects an estimated 100,000 Americans. One of those is the son of NBC News colleague, Dagny McDonald, who works in Charlotte, North Carolina.
After 13 years, her son, Jensen, finally received a bone marrow transplant intended to cure him of sickle cell disease.
Ideally, a bone marrow transplant would replac