CRISPR and other gene technology is exciting, but shouldn't be seen as a panacea for treating illness linked to genetic mutations, says science columnist and author Carl Zimmer. It's still early days for the clinical applications of research.
Tymia McCullough is a poised, pageant-winning 11-year-old from South Carolina. She also happens to have sickle cell anemia and relies on Medicaid to pay for medical care.
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Nurse Corean McClinton, left, talks about pain management with Sherry Webb at the Sickle Cell Disease Center in the Truman Medical Center, in Kansas City, Mo., in 2007.
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