Iron and oxygen work hand in hand to keep your body energized and alive. Iron forms the core of hemoglobin, the protein that carries oxygen from your lungs to every cell. Understanding how your body ...

Sickle cell disease (SCD) is a genetic disorder that causes red blood cells to take the shape of a sickle or a letter “C.” Levels of hemoglobin, a protein that helps carry oxygen on red blood cells, ...