After she was diagnosed with acute myeloid leukemia, one of the first of Kelsey Taylor Luria’s many sorrows was losing her long, thick hair. First it was blond strands on her pillow, then clumps. The ...

Sickle cell disease is passed down through genes, leading to sickle-shaped blood cells. People with sickle cell trait have one gene for sickle cell, but they do not usually show symptoms. Sickle cell ...