The hemoglobin A1C test measures average blood glucose levels over three months, providing critical insights into diabetes risk and management. While standard diagnostic thresholds remain consistent ...

Hemoglobin is a protein in red blood cells. It carries oxygen around your body, delivering it to tissues. Hemoglobin also carries carbon dioxide to the lungs so you can breathe it out. Iron is a part ...

A high A1C level means your average blood sugar has been too high over the past few months. This can be a sign of diabetes or prediabetes and increases the risk of serious health problems like heart ...